Re: 3270 emulator for Mac

[David Crayford]

Rocket Terminal Emulator Web runs in a browser and is a really good 3270 
emulator. You can run it on a server for the masses or on your laptop as 
it's a Node.js application. Rocket have a new development team 
supporting RTEW who are soliciting feature requests so feedback is 
welcome. As a web based application it has many advantages over fat GUIs 
and I suspect the price may be compelling too.


https://www.rocketsoftware.com/products/rocket-bluezonepassport-terminal-emulator/rocket-bluezone-web


On 4/05/2021 7:40 am, Gary Weinhold wrote:
Is there a good 3270 emulator for an Mac laptop?  We're looking at 
Mocha but it appears to have limited functionality.



Gary Weinhold
Senior Application Architect
DATAKINETICS | Data Performance & Optimization
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Re: 3270 emulator for Mac

[Timothy Sipples]

In addition to the other suggestions, IBM's Host On-Demand is the most 
functionally rich 3270 emulator on macOS that I know of.

- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions
IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com

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Re: 3270 emulator for Mac

[Attila Fogarasi]

Glink for ios is pretty good (works on ipad and iphone as well) and does
more than just 3270.

On Tue, May 4, 2021 at 11:04 AM Joe Monk  wrote:

> I use zoc.
>
> Joe
>
> On Mon, May 3, 2021 at 6:40 PM Gary Weinhold  wrote:
>
> > Is there a good 3270 emulator for an Mac laptop?  We're looking at Mocha
> > but it appears to have limited functionality.
> >
> >
> > Gary Weinhold
> > Senior Application Architect
> > DATAKINETICS | Data Performance & Optimization
> > Phone:+1.613.523.5500 x216
> > Email: weinh...@dkl.com
> > Visit us online at www.DKL.com
> > E-mail Notification: The information contained in this email and any
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> request
> > that you notify us by reply mail or telephone and delete the original
> > message from your mail system.
> >
> >
> >
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Re: 3270 emulator for Mac

[Joe Monk]

I use zoc.

Joe

On Mon, May 3, 2021 at 6:40 PM Gary Weinhold  wrote:

> Is there a good 3270 emulator for an Mac laptop?  We're looking at Mocha
> but it appears to have limited functionality.
>
>
> Gary Weinhold
> Senior Application Architect
> DATAKINETICS | Data Performance & Optimization
> Phone:+1.613.523.5500 x216
> Email: weinh...@dkl.com
> Visit us online at www.DKL.com
> E-mail Notification: The information contained in this email and any
> attachments is confidential and may be subject to copyright or other
> intellectual property protection. If you are not the intended recipient,
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> that you notify us by reply mail or telephone and delete the original
> message from your mail system.
>
>
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3270 emulator for Mac

[Gary Weinhold]

Is there a good 3270 emulator for an Mac laptop?  We're looking at Mocha
but it appears to have limited functionality.


Gary Weinhold
Senior Application Architect
DATAKINETICS | Data Performance & Optimization
Phone:+1.613.523.5500 x216
Email: weinh...@dkl.com
Visit us online at www.DKL.com
E-mail Notification: The information contained in this email and any 
attachments is confidential and may be subject to copyright or other 
intellectual property protection. If you are not the intended recipient, you 
are not authorized to use or disclose this information, and we request that you 
notify us by reply mail or telephone and delete the original message from your 
mail system.



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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

From: IBM Mainframe Discussion List  on behalf of 
Jack J. Woehr 
Sent: Monday, April 6, 2020 2:15 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

On 4/6/20 11:47 AM, Seymour J Metz wrote:
> I would start bottom up from the gates, which can be built with radically 
> different technologies, e.g., Vacuum tubes ("valves") versus hydraulic logic.

You Are All Obsolete <https://quantum-computing.ibm.com/> :)

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
http://secure-web.cisco.com/1Jg43Jv9KwNUmcc0Jirk_LroCfYxGPz5SYDGdU7ssFbH2-2ER5XvMdhM2_KbErkEDFWJ7EpHRvhgg6uxIyaoA0OGitOIbrQsc6uuMSGrNOBQ-UmcM0pLV_XKHRKSnKtyt1oMqctFToaFJqpkOwvGhgPyRPYOGMGKEA5owCE332RFJEgm9y1eruxg7G3mAGoai00uOLL99jMUeM_70tbbSyf9kBzbew9Gc0VL7G9dJCMSgMsMM611fuq_5De9y6IFD5OkAEvPJoetJjPa54tp48SqYE4Nxa3P_JLn7FGGHKRIKZX6f8BItG_hkDtOXhmwiupmNIS77W2SRiJMjJDc0A_TJt9aeJkJaEU8GyyHLT1sQ5iEMUQnBYZIKmecxVHU5BrG27SDY-kjYUjVOe7GTqTkzWMxjCBN3A2ytcr8v7mhXut4vdsNZfi6sExHyygKl/http%3A%2F%2Fwww.well.com%2F%7Ejax
 # thinking, a way of skeptically interrogating the universe
http://secure-web.cisco.com/1Gi-U4vkipG5Wq7HKfAn1stpRnZVES_oORkHIbW2bHbw_kl1YvlX654-qPngr2C0k3oL6aglNlUNOIVUyNs653cPJHRu0d5WU1yBRtjUpAYNa9XVJEfvRxQVQRQf6rEPZau4_SlOVQ0BeLwHMha5TJ4o5RfVSSnkDBh18skeszWnWd23VjcW5BbyJFEeOF3qjA3banMCxMmGnTN-5kt5y-kyPetZrM_3R3ux_PK3WbLqyqdwjPyg3ydvbaZ9azPwlk5WuQ8ISjqIwxiwBWCrFbSDIMFkhfNuqVTvnweK75qtxKNLSz1rvE9_8s85MqkQby-BNEtFnrhLhJQ4dSWGCOfCe4jgLKMSAiP-YNY09zD9ICBWoD4_tcIXY5TlONwKCTKDjlWgioL_QwXL6U_44irFjjNSwBOLiWNwNWP_1INqgju3XocVmozbEkW0J7Ptv/http%3A%2F%2Fwww.softwoehr.com
 # with a fine understanding of human fallibility. - Carl Sagan


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Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

Oh, Henry, he was only getting into that coil with great reluctance.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Jack J. Woehr [j...@well.com]
Sent: Tuesday, April 7, 2020 5:32 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

On 4/7/20 2:22 AM, R.S. wrote:
>
> You forgot about third person in a car: Ohm.
>
> Officer say "you're arrested", but Ohm resists.

Thank you Radoslaw ... Even though I had forgotten, I should have known
he was there by inductive reasoning!

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
http://secure-web.cisco.com/1JDBP5p2KdDWTftRfhjB2nrCL1qX52TTQ81tOkg63MGmvGbD4vsxbUbfNkOqa3RJKPSVMjYClfZfEqsUioUsZElh0F369PZ-z-ifzSmrB5q6njrjMyHu0KZAab_v2k1SeZQREwVLz2KoiPy5qYHL_rGrKmcqtVvlA_xd88xFzFDD_T9HS7XxMoHVa-aWfWZGG_LN8er-rPunQCp4Ocg8TvDLDxFNMrJzF3Upk5s8nXusXRLrcPjR1bmievLkZBN0WS6XuChNsQcZ-_m7Tj7uFxb3pvbHMH7luK-wHRhvryNv7-kRgLY6i5gwgPEXQxOT1CeZK9DPSZI-SVcl-eZw2tSvASEe4nGm4G3Xb1q12GqWIaUMkVwbJtzYgffsTd0Uc-v6RwSs81woZqn9L1ANzoUlcoNg1y6dBOadK4plwlDeaw6u9Id7v1rqd5icuobIV/http%3A%2F%2Fwww.well.com%2F%7Ejax
 # thinking, a way of skeptically interrogating the universe
http://secure-web.cisco.com/1mEPMzgX7Wl-744nH-w0FOKViuMihwlkMuyfaJVUdjnxUzFXWaAub5ciqfgR9x_pIVgLskv7POaFMsUc-gfrK01CKo7d3BFZQ4cHsm63LADnkE-NuLcPKIRrau3Et-i_TUokKNiUrURdqTw5avu_DayMhFyTYFeJ7XPV8Ibaxlw_-Oc23JcXlO2ogzE3GUasY8qSmiWZ5pBKfuXUSzbjZbA_SvTAPnMckpe9laMucVfNDaQgFmMApLyMepI7Wn1kSMy1yDQCYJQgCPo0lWzmAyHk8Qs8j9lbvlzJiUXsMH-gDogkyJkQcAgdvDMqf-bVLdf9hLymo9JSdkEp9Y5TDXIRS-S602zrX9xus7pJmH4SDmc2HZquHDioZv3KwEa1_3pe9cvNXad4bxjmVNimjNhUd4kuqrZ-d7ljsz1NIfYnOPv6MWUtNaiCz75Hf6CNu/http%3A%2F%2Fwww.softwoehr.com
 # with a fine understanding of human fallibility. - Carl Sagan

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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/7/20 2:22 AM, R.S. wrote:


You forgot about third person in a car: Ohm.

Officer say "you're arrested", but Ohm resists. 


Thank you Radoslaw ... Even though I had forgotten, I should have known 
he was there by inductive reasoning!


--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan

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Re: Free 3270 emulator for Mac OS

[R.S.]

W dniu 07.04.2020 o 05:52, Jack J. Woehr pisze:

On 4/6/20 7:29 PM, Seymour J Metz wrote:
It's certain that Puss is dead in one of two orthogonal projections; 
the instructor is in a superposition of murder and attempted murder.


Is it?

Heisenberg and Schrödinger get pulled over for speeding.

The cop asks Heisenberg "Do you know how fast you were going?"

Heisenberg replies, "No, but we know exactly where we are!"

The officer looks at him confused and says "you were going 108 miles 
per hour!"


Heisenberg throws his arms up and cries, "Great! Now we're lost!"

The officer looks over the car and asks Schrödinger if the two men 
have anything in the trunk.


"A cat," Schrödinger replies.

The cop opens the trunk and yells "Hey! This cat is dead."

Schrödinger angrily replies, "Well he is now."



You forgot about third person in a car: Ohm.

Officer say "you're arrested", but Ohm resists.


--
Radoslaw Skorupka
Lodz, Poland





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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/6/20 7:29 PM, Seymour J Metz wrote:

It's certain that Puss is dead in one of two orthogonal projections; the 
instructor is in a superposition of murder and attempted murder.


Is it?

Heisenberg and Schrödinger get pulled over for speeding.

The cop asks Heisenberg "Do you know how fast you were going?"

Heisenberg replies, "No, but we know exactly where we are!"

The officer looks at him confused and says "you were going 108 miles per 
hour!"


Heisenberg throws his arms up and cries, "Great! Now we're lost!"

The officer looks over the car and asks Schrödinger if the two men have 
anything in the trunk.


"A cat," Schrödinger replies.

The cop opens the trunk and yells "Hey! This cat is dead."

Schrödinger angrily replies, "Well he is now."

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan


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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

My eye! My first computer, implemented with vacuum tubes, was faster, took up 
drastically less room and had more memory.

https://www.businessballs.com/amusement-stress-relief/tree-swing-cartoon-pictures-early-versions/


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Mike Schwab [mike.a.sch...@gmail.com]
Sent: Monday, April 6, 2020 9:29 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

Building with transistors and LED indicators is all the rage.
https://secure-web.cisco.com/1upr_mKuMWVgENC1hBn7WFxJYrP7SqMxRwp_UATKC5w8DfqVGCHeE2Kd5LqeeNTFFTy48MCR_nxfKysYnuTm-e9Y37jR0-klmB2CmW9l3ZGeIEcmjNhwBXNiYuAqhjTl0jctCWT5foOFSHdwy6UvYShmR5SQPs2wWYJQz41dsqcX0Nhr7Xy0NbXYGOifH_YeDirVkNCbsF66FdBNxg8Td-8A69qNbMSvLjOdSoRlwmpLYvcB51mBpkA_xDeFKbMJsahLKDjz9rBjN7QLWda5ztZIr71aj_laaghLTIzIL-tQqhn3xUcCFxx-6UVxGjq5xrzQ0SwEwOaQb_K-DLqDubK3Y9X6_t5XxWDCFnlJb8IHySwYDTcs0Q9IgJpg0339gFi_vfeKEPolFOw-TpqM0hMu6zAvJRXa9LJY7Qd2v60anrwd5iOj0uejiMKblSOeA/https%3A%2F%2Fhackaday.com%2F2016%2F07%2F06%2F42300-transistor-megaprocessor-is-complete%2F

On Mon, Apr 6, 2020 at 12:47 PM Seymour J Metz  wrote:
>
> I would start bottom up from the gates, which can be built with radically 
> different technologies, e.g., Vacuum tubes ("valves") versus hydraulic logic.
>
>
> --
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
> 
> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
> Adam Jacobvitz [02b29b762ea6-dmarc-requ...@listserv.ua.edu]
> Sent: Monday, April 6, 2020 1:26 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Back when I was in grad school I used to debate with people which is the best 
> way to teach programming and general purpose computing: from the transistor 
> up or the language down. Both camps had valid points.
>
>
> Sent from ProtonMail mobile
>
>
>
> \ Original Message 
> On Apr 6, 2020, 10:04 AM, Seymour J Metz < sme...@gmu.edu> wrote:
>
> >
> >
> >
> > I hope not.
> >
> >
> > \--
> > Shmuel (Seymour J.) Metz
> > http://mason.gmu.edu/~smetz3
> >
> >
> > \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
> > From: IBM Mainframe Discussion List  on behalf of 
> > Charles Mills 
> > Sent: Monday, April 6, 2020 12:37 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: Free 3270 emulator for Mac OS
> >
> > If there's a market for BSC-based 3270 emulators, let me know. I've written
> > two. (Well, one I only wrote the BSC to/from screen buffer part; my
> > associate John wrote the keyboard and display part.
> >
> > 
> >
> > Charles
> >
> >
> > \-Original Message-
> > From: IBM Mainframe Discussion List \[mailto:IBM-MAIN@LISTSERV.UA.EDU\] On
> > Behalf Of Timothy Sipples
> > Sent: Sunday, April 5, 2020 6:59 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: Free 3270 emulator for Mac OS
> >
> > Seymour J. Metz wrote:
> > >A few more notes on nomenclature. TN3270 and TN3270E (upper case)
> > >are protocols published by the IETF; programs implimenting those
> > >protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
> > >are not 3270 emulators, because they do not support any of the link
> > >protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.
> >
> > I disagree with the last sentence, and IBM (among many others) does too,
> > evidently. You'll see "emulator" in the IBM Host On-Demand (HOD)
> > documentation, for example. I don't recall HOD ever communicating via BSC
> > or SDLC. "Emulator" has a different meaning than the word "clone," which
> > is the word you might have been looking for.
> >
> > If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a
> > family of IBM terminals ("displays"), printers, and controllers (following
> > the IBM 2260 family) that IBM refined and improved over several years. All
> > modern "3270" terminal emulators are necessarily partial emulators in
> > certain respects, but practically all of them exceed the capabilities of
> > the last physical/classic 3270 family of products in certain respects,
> > too.
> >
> > Anyway, if you want to describe various 3270 emulators as "partially"
> > emulating the IBM 3279 (for example), that makes sense to me

Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

It's certain that Puss is dead in one of two orthogonal projections; the 
instructor is in a superposition of murder and attempted murder.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Jack J. Woehr [j...@well.com]
Sent: Monday, April 6, 2020 3:08 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

On 4/6/20 12:34 PM, Seymour J Metz wrote:
> I am not going to murder a poor defenseless kitten just for a CS class!

It's not *certain* the kitty becomes an ex-cat ... :)

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
http://secure-web.cisco.com/1guzov69PFGr99hHrt47QomLQPylOtRJ6wvD2VaKC9IfyiZBGd8SB9pS747lyVSoTzBXUFm5VYSSQN0g4IhBvFWKC72zUPgPCTyHmhJSxoqjGeafnuB9q8NuO8SWaoJSdDU0t6S2VmvsEyaa5z1-ImLuQ2TJPShyD8SXAqnh8j1XrkG7wQ32YxzUyyk4wEbYlUzu9AFBCdwfPpUaNkDWoXNU5WsfHYI0X7XzSHA6NhLoE-PLS7YaNRvMXwzI7-ptH1-rx5l-d2zN205aO0hf3EZiiyFtgsqBrEi877tqysCXvrbGJpNeekpGPv9GsZJodZUS47ja_Ak1YaiMmnca4IbcDrPT052GQ8o8kyrpL5u1iN9np5G2DhhKlMA2bO7us2BQqKS_yaFq_71M27vVbg1tSxtr5pupeJbyTTjZLLXnA2G_GGZ1lVKsUAfCoZKJPH_yVTYU6QCQSaa9-QqQO1w/http%3A%2F%2Fwww.well.com%2F%7Ejax
 # thinking, a way of skeptically interrogating the universe
http://secure-web.cisco.com/1nlfZMqP9aRzpwJZGNeDMtPX6DhzcSaplE628JzDNIYtsotQCwdCiRfdb8EINgjQxAmSwY55Uq6fCtlLjnVhRSR4iM_qVCpqBh0l-Eg5BRIDTvicQUXB-gG9DgE2rMCnFfZ3_MnGg_HwHZmaS9DhUpYw73XlzRAtp_g8tWA4HVQZ6iw9yvTTySh0vYGBaVSVp8AfNOeOJw4gZv8ua1w9kzpPcK-BMFtD2KJV1Gy7_yXVhljpTSxNDwATHl1iF-z4LWUOr6k-habApcjnhGFpEblbRJ3Ly4LOFYj5iDMou5Uw0nZqsRLWLCJ13H0PMyv5aHlyuW900zdoVtJftS_cmD5dzDv3zG-xNIj9Qn3GAgBPBkOUqth4RYXLT2ivc6hfmGAZdT9z_xIDO6yAxQlxo3Ne9Ml5s-YeQhAdizJUCSNoq2slqXWHBa3CtUYNb3Lst/http%3A%2F%2Fwww.softwoehr.com
 # with a fine understanding of human fallibility. - Carl Sagan

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Re: Free 3270 emulator for Mac OS

[Mike Schwab]

Building with transistors and LED indicators is all the rage.
https://hackaday.com/2016/07/06/42300-transistor-megaprocessor-is-complete/

On Mon, Apr 6, 2020 at 12:47 PM Seymour J Metz  wrote:
>
> I would start bottom up from the gates, which can be built with radically 
> different technologies, e.g., Vacuum tubes ("valves") versus hydraulic logic.
>
>
> --
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
> 
> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
> Adam Jacobvitz [02b29b762ea6-dmarc-requ...@listserv.ua.edu]
> Sent: Monday, April 6, 2020 1:26 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Back when I was in grad school I used to debate with people which is the best 
> way to teach programming and general purpose computing: from the transistor 
> up or the language down. Both camps had valid points.
>
>
> Sent from ProtonMail mobile
>
>
>
> \ Original Message 
> On Apr 6, 2020, 10:04 AM, Seymour J Metz < sme...@gmu.edu> wrote:
>
> >
> >
> >
> > I hope not.
> >
> >
> > \--
> > Shmuel (Seymour J.) Metz
> > http://mason.gmu.edu/~smetz3
> >
> >
> > \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
> > From: IBM Mainframe Discussion List  on behalf of 
> > Charles Mills 
> > Sent: Monday, April 6, 2020 12:37 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: Free 3270 emulator for Mac OS
> >
> > If there's a market for BSC-based 3270 emulators, let me know. I've written
> > two. (Well, one I only wrote the BSC to/from screen buffer part; my
> > associate John wrote the keyboard and display part.
> >
> > 
> >
> > Charles
> >
> >
> > \-Original Message-
> > From: IBM Mainframe Discussion List \[mailto:IBM-MAIN@LISTSERV.UA.EDU\] On
> > Behalf Of Timothy Sipples
> > Sent: Sunday, April 5, 2020 6:59 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: Free 3270 emulator for Mac OS
> >
> > Seymour J. Metz wrote:
> > >A few more notes on nomenclature. TN3270 and TN3270E (upper case)
> > >are protocols published by the IETF; programs implimenting those
> > >protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
> > >are not 3270 emulators, because they do not support any of the link
> > >protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.
> >
> > I disagree with the last sentence, and IBM (among many others) does too,
> > evidently. You'll see "emulator" in the IBM Host On-Demand (HOD)
> > documentation, for example. I don't recall HOD ever communicating via BSC
> > or SDLC. "Emulator" has a different meaning than the word "clone," which
> > is the word you might have been looking for.
> >
> > If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a
> > family of IBM terminals ("displays"), printers, and controllers (following
> > the IBM 2260 family) that IBM refined and improved over several years. All
> > modern "3270" terminal emulators are necessarily partial emulators in
> > certain respects, but practically all of them exceed the capabilities of
> > the last physical/classic 3270 family of products in certain respects,
> > too.
> >
> > Anyway, if you want to describe various 3270 emulators as "partially"
> > emulating the IBM 3279 (for example), that makes sense to me. However, the
> > word "emulator(s)" is perfectly acceptable and appropriate in this context
> > \-- in my view and with broad consensus agreement as far as I can tell.
> >
> > "TN3270 emulator" (or "TN3270E emulator") is confusing and not generally
> > correct. If you're using TN3270(E) protocol then you're probably not
> > emulating it.
> >
> > A TN3270(E) client need not be a 3270 terminal emulator. I think most
> > people would not describe an automated test tool that works via a
> > TN3270(E) connection as a "3270 emulator," for example. They'd probably
> > describe it as a "3270 test(ing) tool."
> >
> > \- - - - - - - - - -
> > Timothy Sipples
> > I.T. Architect Executive
> > Digital Asset & Other Industry Solutions
> > IBM Z & LinuxONE
> > \- - - - - - - - - -
> > E-Mail: sipp...@sg.ibm.com
> >
> > \---

Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/6/20 12:34 PM, Seymour J Metz wrote:

I am not going to murder a poor defenseless kitten just for a CS class!


It's not *certain* the kitty becomes an ex-cat ... :)

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan

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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

I am not going to murder a poor defenseless kitten just for a CS class!


From: IBM Mainframe Discussion List  on behalf of 
Jack J. Woehr 
Sent: Monday, April 6, 2020 2:15 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

On 4/6/20 11:47 AM, Seymour J Metz wrote:
> I would start bottom up from the gates, which can be built with radically 
> different technologies, e.g., Vacuum tubes ("valves") versus hydraulic logic.

You Are All Obsolete <https://quantum-computing.ibm.com/> :)

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
http://secure-web.cisco.com/1Jg43Jv9KwNUmcc0Jirk_LroCfYxGPz5SYDGdU7ssFbH2-2ER5XvMdhM2_KbErkEDFWJ7EpHRvhgg6uxIyaoA0OGitOIbrQsc6uuMSGrNOBQ-UmcM0pLV_XKHRKSnKtyt1oMqctFToaFJqpkOwvGhgPyRPYOGMGKEA5owCE332RFJEgm9y1eruxg7G3mAGoai00uOLL99jMUeM_70tbbSyf9kBzbew9Gc0VL7G9dJCMSgMsMM611fuq_5De9y6IFD5OkAEvPJoetJjPa54tp48SqYE4Nxa3P_JLn7FGGHKRIKZX6f8BItG_hkDtOXhmwiupmNIS77W2SRiJMjJDc0A_TJt9aeJkJaEU8GyyHLT1sQ5iEMUQnBYZIKmecxVHU5BrG27SDY-kjYUjVOe7GTqTkzWMxjCBN3A2ytcr8v7mhXut4vdsNZfi6sExHyygKl/http%3A%2F%2Fwww.well.com%2F%7Ejax
 # thinking, a way of skeptically interrogating the universe
http://secure-web.cisco.com/1Gi-U4vkipG5Wq7HKfAn1stpRnZVES_oORkHIbW2bHbw_kl1YvlX654-qPngr2C0k3oL6aglNlUNOIVUyNs653cPJHRu0d5WU1yBRtjUpAYNa9XVJEfvRxQVQRQf6rEPZau4_SlOVQ0BeLwHMha5TJ4o5RfVSSnkDBh18skeszWnWd23VjcW5BbyJFEeOF3qjA3banMCxMmGnTN-5kt5y-kyPetZrM_3R3ux_PK3WbLqyqdwjPyg3ydvbaZ9azPwlk5WuQ8ISjqIwxiwBWCrFbSDIMFkhfNuqVTvnweK75qtxKNLSz1rvE9_8s85MqkQby-BNEtFnrhLhJQ4dSWGCOfCe4jgLKMSAiP-YNY09zD9ICBWoD4_tcIXY5TlONwKCTKDjlWgioL_QwXL6U_44irFjjNSwBOLiWNwNWP_1INqgju3XocVmozbEkW0J7Ptv/http%3A%2F%2Fwww.softwoehr.com
 # with a fine understanding of human fallibility. - Carl Sagan


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--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/6/20 11:47 AM, Seymour J Metz wrote:

I would start bottom up from the gates, which can be built with radically different 
technologies, e.g., Vacuum tubes ("valves") versus hydraulic logic.


You Are All Obsolete  :)

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan


--
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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

I would start bottom up from the gates, which can be built with radically 
different technologies, e.g., Vacuum tubes ("valves") versus hydraulic logic.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Adam Jacobvitz [02b29b762ea6-dmarc-requ...@listserv.ua.edu]
Sent: Monday, April 6, 2020 1:26 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Back when I was in grad school I used to debate with people which is the best 
way to teach programming and general purpose computing: from the transistor up 
or the language down. Both camps had valid points.


Sent from ProtonMail mobile



\ Original Message 
On Apr 6, 2020, 10:04 AM, Seymour J Metz < sme...@gmu.edu> wrote:

>
>
>
> I hope not.
>
>
> \--
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
>
> \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
> From: IBM Mainframe Discussion List  on behalf of 
> Charles Mills 
> Sent: Monday, April 6, 2020 12:37 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> If there's a market for BSC-based 3270 emulators, let me know. I've written
> two. (Well, one I only wrote the BSC to/from screen buffer part; my
> associate John wrote the keyboard and display part.
>
> 
>
> Charles
>
>
> \-Original Message-
> From: IBM Mainframe Discussion List \[mailto:IBM-MAIN@LISTSERV.UA.EDU\] On
> Behalf Of Timothy Sipples
> Sent: Sunday, April 5, 2020 6:59 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> Seymour J. Metz wrote:
> >A few more notes on nomenclature. TN3270 and TN3270E (upper case)
> >are protocols published by the IETF; programs implimenting those
> >protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
> >are not 3270 emulators, because they do not support any of the link
> >protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.
>
> I disagree with the last sentence, and IBM (among many others) does too,
> evidently. You'll see "emulator" in the IBM Host On-Demand (HOD)
> documentation, for example. I don't recall HOD ever communicating via BSC
> or SDLC. "Emulator" has a different meaning than the word "clone," which
> is the word you might have been looking for.
>
> If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a
> family of IBM terminals ("displays"), printers, and controllers (following
> the IBM 2260 family) that IBM refined and improved over several years. All
> modern "3270" terminal emulators are necessarily partial emulators in
> certain respects, but practically all of them exceed the capabilities of
> the last physical/classic 3270 family of products in certain respects,
> too.
>
> Anyway, if you want to describe various 3270 emulators as "partially"
> emulating the IBM 3279 (for example), that makes sense to me. However, the
> word "emulator(s)" is perfectly acceptable and appropriate in this context
> \-- in my view and with broad consensus agreement as far as I can tell.
>
> "TN3270 emulator" (or "TN3270E emulator") is confusing and not generally
> correct. If you're using TN3270(E) protocol then you're probably not
> emulating it.
>
> A TN3270(E) client need not be a 3270 terminal emulator. I think most
> people would not describe an automated test tool that works via a
> TN3270(E) connection as a "3270 emulator," for example. They'd probably
> describe it as a "3270 test(ing) tool."
>
> \- - - - - - - - - -
> Timothy Sipples
> I.T. Architect Executive
> Digital Asset & Other Industry Solutions
> IBM Z & LinuxONE
> \- - - - - - - - - -
> E-Mail: sipp...@sg.ibm.com
>
> \--
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
> \--
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
> \--
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> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
-BEGIN PGP SIGNAT

Re: Free 3270 emulator for Mac OS

[Adam Jacobvitz]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Back when I was in grad school I used to debate with people which is the best 
way to teach programming and general purpose computing: from the transistor up 
or the language down. Both camps had valid points.


Sent from ProtonMail mobile



\ Original Message 
On Apr 6, 2020, 10:04 AM, Seymour J Metz < sme...@gmu.edu> wrote:

>
>
>
> I hope not.
>
>
> \--
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
>
> \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
> From: IBM Mainframe Discussion List  on behalf of 
> Charles Mills 
> Sent: Monday, April 6, 2020 12:37 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> If there's a market for BSC-based 3270 emulators, let me know. I've written
> two. (Well, one I only wrote the BSC to/from screen buffer part; my
> associate John wrote the keyboard and display part.
>
> 
>
> Charles
>
>
> \-Original Message-
> From: IBM Mainframe Discussion List \[mailto:IBM-MAIN@LISTSERV.UA.EDU\] On
> Behalf Of Timothy Sipples
> Sent: Sunday, April 5, 2020 6:59 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> Seymour J. Metz wrote:
> >A few more notes on nomenclature. TN3270 and TN3270E (upper case)
> >are protocols published by the IETF; programs implimenting those
> >protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
> >are not 3270 emulators, because they do not support any of the link
> >protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.
>
> I disagree with the last sentence, and IBM (among many others) does too,
> evidently. You'll see "emulator" in the IBM Host On-Demand (HOD)
> documentation, for example. I don't recall HOD ever communicating via BSC
> or SDLC. "Emulator" has a different meaning than the word "clone," which
> is the word you might have been looking for.
>
> If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a
> family of IBM terminals ("displays"), printers, and controllers (following
> the IBM 2260 family) that IBM refined and improved over several years. All
> modern "3270" terminal emulators are necessarily partial emulators in
> certain respects, but practically all of them exceed the capabilities of
> the last physical/classic 3270 family of products in certain respects,
> too.
>
> Anyway, if you want to describe various 3270 emulators as "partially"
> emulating the IBM 3279 (for example), that makes sense to me. However, the
> word "emulator(s)" is perfectly acceptable and appropriate in this context
> \-- in my view and with broad consensus agreement as far as I can tell.
>
> "TN3270 emulator" (or "TN3270E emulator") is confusing and not generally
> correct. If you're using TN3270(E) protocol then you're probably not
> emulating it.
>
> A TN3270(E) client need not be a 3270 terminal emulator. I think most
> people would not describe an automated test tool that works via a
> TN3270(E) connection as a "3270 emulator," for example. They'd probably
> describe it as a "3270 test(ing) tool."
>
> \- - - - - - - - - -
> Timothy Sipples
> I.T. Architect Executive
> Digital Asset & Other Industry Solutions
> IBM Z & LinuxONE
> \- - - - - - - - - -
> E-Mail: sipp...@sg.ibm.com
>
> \--
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
> \--
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> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
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> \--
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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

I hope not.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3



From: IBM Mainframe Discussion List  on behalf of 
Charles Mills 
Sent: Monday, April 6, 2020 12:37 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

If there's a market for BSC-based 3270 emulators, let me know. I've written
two. (Well, one I only wrote the BSC to/from screen buffer part; my
associate John wrote the keyboard and display part.



Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Timothy Sipples
Sent: Sunday, April 5, 2020 6:59 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

Seymour J. Metz wrote:
>A few more notes on nomenclature. TN3270 and TN3270E (upper case)
>are protocols published by the IETF; programs implimenting those
>protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
>are not 3270 emulators, because they do not support any of the link
>protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.

I disagree with the last sentence, and IBM (among many others) does too,
evidently. You'll see "emulator" in the IBM Host On-Demand (HOD)
documentation, for example. I don't recall HOD ever communicating via BSC
or SDLC. "Emulator" has a different meaning than the word "clone," which
is the word you might have been looking for.

If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a
family of IBM terminals ("displays"), printers, and controllers (following
the IBM 2260 family) that IBM refined and improved over several years. All
modern "3270" terminal emulators are necessarily partial emulators in
certain respects, but practically all of them exceed the capabilities of
the last physical/classic 3270 family of products in certain respects,
too.

Anyway, if you want to describe various 3270 emulators as "partially"
emulating the IBM 3279 (for example), that makes sense to me. However, the
word "emulator(s)" is perfectly acceptable and appropriate in this context
-- in my view and with broad consensus agreement as far as I can tell.

"TN3270 emulator" (or "TN3270E emulator") is confusing and not generally
correct. If you're using TN3270(E) protocol then you're probably not
emulating it.

A TN3270(E) client need not be a 3270 terminal emulator. I think most
people would not describe an automated test tool that works via a
TN3270(E) connection as a "3270 emulator," for example. They'd probably
describe it as a "3270 test(ing) tool."

- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions
IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com

--
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Re: Free 3270 emulator for Mac OS

[Charles Mills]

If there's a market for BSC-based 3270 emulators, let me know. I've written
two. (Well, one I only wrote the BSC to/from screen buffer part; my
associate John wrote the keyboard and display part.



Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Timothy Sipples
Sent: Sunday, April 5, 2020 6:59 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

Seymour J. Metz wrote:
>A few more notes on nomenclature. TN3270 and TN3270E (upper case)
>are protocols published by the IETF; programs implimenting those
>protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
>are not 3270 emulators, because they do not support any of the link
>protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.

I disagree with the last sentence, and IBM (among many others) does too, 
evidently. You'll see "emulator" in the IBM Host On-Demand (HOD) 
documentation, for example. I don't recall HOD ever communicating via BSC 
or SDLC. "Emulator" has a different meaning than the word "clone," which 
is the word you might have been looking for.

If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a 
family of IBM terminals ("displays"), printers, and controllers (following 
the IBM 2260 family) that IBM refined and improved over several years. All 
modern "3270" terminal emulators are necessarily partial emulators in 
certain respects, but practically all of them exceed the capabilities of 
the last physical/classic 3270 family of products in certain respects, 
too.

Anyway, if you want to describe various 3270 emulators as "partially" 
emulating the IBM 3279 (for example), that makes sense to me. However, the 
word "emulator(s)" is perfectly acceptable and appropriate in this context 
-- in my view and with broad consensus agreement as far as I can tell.

"TN3270 emulator" (or "TN3270E emulator") is confusing and not generally 
correct. If you're using TN3270(E) protocol then you're probably not 
emulating it.

A TN3270(E) client need not be a 3270 terminal emulator. I think most 
people would not describe an automated test tool that works via a 
TN3270(E) connection as a "3270 emulator," for example. They'd probably 
describe it as a "3270 test(ing) tool."

- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions
IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com

--
For IBM-MAIN subscribe / signoff / archive access instructions,
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Re: Free 3270 emulator for Mac OS

[Timothy Sipples]

Seymour J. Metz wrote:
>A few more notes on nomenclature. TN3270 and TN3270E (upper case)
>are protocols published by the IETF; programs implimenting those
>protocols are TN3270 clients, not TN3270 emulators. TN3270 clients
>are not 3270 emulators, because they do not support any of the link
>protocols that real 3270s do, e.g., BSC, CUT, DFT, SDLC.

I disagree with the last sentence, and IBM (among many others) does too, 
evidently. You'll see "emulator" in the IBM Host On-Demand (HOD) 
documentation, for example. I don't recall HOD ever communicating via BSC 
or SDLC. "Emulator" has a different meaning than the word "clone," which 
is the word you might have been looking for.

If you want to be pedantic about it, per Wikipedia "IBM 3270" refers to a 
family of IBM terminals ("displays"), printers, and controllers (following 
the IBM 2260 family) that IBM refined and improved over several years. All 
modern "3270" terminal emulators are necessarily partial emulators in 
certain respects, but practically all of them exceed the capabilities of 
the last physical/classic 3270 family of products in certain respects, 
too.

Anyway, if you want to describe various 3270 emulators as "partially" 
emulating the IBM 3279 (for example), that makes sense to me. However, the 
word "emulator(s)" is perfectly acceptable and appropriate in this context 
-- in my view and with broad consensus agreement as far as I can tell.

"TN3270 emulator" (or "TN3270E emulator") is confusing and not generally 
correct. If you're using TN3270(E) protocol then you're probably not 
emulating it.

A TN3270(E) client need not be a 3270 terminal emulator. I think most 
people would not describe an automated test tool that works via a 
TN3270(E) connection as a "3270 emulator," for example. They'd probably 
describe it as a "3270 test(ing) tool."

- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions
IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com

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Re: Free 3270 emulator for Mac OS

[Joe Monk]

Actually its not.

https://github.com/XQuartz/XQuartz/issues/10

Joe

On Sun, Apr 5, 2020 at 10:09 AM Paul Gilmartin <
000433f07816-dmarc-requ...@listserv.ua.edu> wrote:

> On Sun, 5 Apr 2020 08:33:41 +, Martin Packer wrote:
> >
> >Note: xQuartz hasn’t been updated in FOREVER. While I use it, I’m nervous
> >of this fact. (I use xQuartz and x3270 on Catalina, without problems, by
> >the way.)
> >
> So XQuartz is 64-bit.
>
> Is X11 gaining features that would require support in an XQuartz update?
>
> Security?
>
> -- gil
>
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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sun, 5 Apr 2020 08:33:41 +, Martin Packer wrote:
>
>Note: xQuartz hasn’t been updated in FOREVER. While I use it, I’m nervous
>of this fact. (I use xQuartz and x3270 on Catalina, without problems, by
>the way.)
> 
So XQuartz is 64-bit.

Is X11 gaining features that would require support in an XQuartz update?

Security?

-- gil

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Re: Free 3270 emulator for Mac OS

[Martin Packer]

Note: xQuartz hasn’t been updated in FOREVER. While I use it, I’m nervous
of this fact. (I use xQuartz and x3270 on Catalina, without problems, by
the way.)

Sent from my iPad

> On 4 Apr 2020, at 17:38, Jack J. Woehr  wrote:
>
> On 4/4/20 9:51 AM, Paul Gilmartin wrote:
>> I tried building x3270 on Mojave from source.
>
> from
https://urldefense.proofpoint.com/v2/url?u=http-3A__x3270.bgp.nu_Build.html&d=DwICaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=BsPGKdq7-Vl8MW2-WOWZjlZ0NwmcFSpQCLphNznBSDQ&m=2nGS48yHVb86bVrZNyQ-cUQYoTVD9zop3l1Z153TiCY&s=ddrUZkQJXlXuzY27fvmnbAOgWxs8TTPkxM2HG2JnFYA&e=

>
>
>  Notes for MacOS X
>
> Everything except x3270 is built the usual (Unix) way on MacOS X. But to
> build x3270, you first need to install XQuartz
>
(https://urldefense.proofpoint.com/v2/url?u=http-3A__xquartz.macosforge.org_&d=DwICaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=BsPGKdq7-Vl8MW2-WOWZjlZ0NwmcFSpQCLphNznBSDQ&m=2nGS48yHVb86bVrZNyQ-cUQYoTVD9zop3l1Z153TiCY&s=yeCZ_rkJcwujTLdfKAUFWBfFYqdVCGItUWaHVB-slN0&e=
 ).
 Then to build all of the emulators,
> use the following commands: export PATH=$PATH:/opt/X11/bin ./configure
> --enable-unix --x-includes=/opt/X11/include make
>
> By default, the MacOS build uses Secure Transport for SSL/TLS. To switch
> to OpenSSL, pass the --disable-stransport option to the configure script.
>
> --
> Jack J. Woehr # Science is more than a body of knowledge. It's a way
of
> www.well.com/~jax # thinking, a way of skeptically interrogating the
universe
> www.softwoehr.com # with a fine understanding of human fallibility. -
Carl Sagan
>
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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

A few more notes on nomenclature. TN3270 and TN3270E (upper case) are protocols 
published by the IETF; programs implimenting those protocols are TN3270 
clients, not TN3270 emulators. TN3270 clients are not 3270 emulators, because 
they do not support any of the link protocols that real 3270s do, e.g., BSC, 
CUT, DFT, SDLC.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
David Price [da...@bigpond.net.au]
Sent: Saturday, April 4, 2020 4:21 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

tn3270 X recap
==
Just a point about the names of the 3270 emulators in this discussion.

The "Brown University 3270 emulator" that the OP was referring to is
called "tn3270 X" (not x3270).  It is also called "tn3270" ambiguously.
tn3270 X supports Mac OS X 10.1 through macOS 10.14 Mojave using Apple's 32-bit 
Carbon API.

tn3270 X does not support macOS 10.15 Catalina (GA October 2019)
because Catalina does not support 32-bit programs.
macOS 10.14 Mojave (GA September 2018) is still supported by Apple --
it had an update 10 weeks ago.  EOS for 10.14 is September 2021.
So hang on to Mojave if you've got it!

Peter DiCamillo wrote tn3270 X in 2002, back when Mac OS X 10.1 and 10.2 were 
the latest Apple operating systems.

Classic Mac tn3270
==
tn3270 X's predecessor was the (also free) Brown University tn3270.
It was written at Brown University 1988-1996 (by Peter DiCamillo
himself IIRC) during the era of Macintosh System 6, and System 7
(aka Mac OS 7).  It also works on the later Classic (i.e. non-UNIX)
operating systems Mac OS 8 and Mac OS 9.

The Classic Brown University tn3270 terminal emulator supported
3270 Programmed Symbol graphics, but that functionality wasn't
carried forward to the later tn3270 X.
If you have Apple PowerPC-based hardware running (no later than)
Mac OS X 10.4 (e.g. an Apple PowerBook), then it will run the
Classic tn3270 software seamlessly (by quietly running the
Classic Mac OS 9 behind the scenes).

There are a number of Classic Mac OS emulators around these days
(most of them free), so if they include the old MacTCP component
or its API then I guess you can still run the old Classic tn3270
emulator under a modern operating system (albeit indirectly).


X3270 is free and supports macOS 10.15 Catalina
===
The OP accidentally mentioned x3270.  x3270 runs under the
X Window System (including on a Mac).  It is free and is supported
by Paul Mattes on the  
http://secure-web.cisco.com/1Z_fnyK_niKp8u-L1740cBcH94PI9ycnKdEhGJ5TW9Ah3xZ43umpK_P0gv0W3nEYo3x6ae_Kjgw69YmQfb83IyARuQ0MOSVfucbsedBcNAFUPIdEBhBxija1ltCkkBBIdQ_6sLoSwVk6_5ORujCmRzVJf7Uvs_24OcoY2wQDOa6YwG3aNmT9LzusVrPqJHAv2V-_TxhLczJ-QeymEvamqKNIKX6Wib6-LKHFwzsUhnXbgCTF4y2pyuv7UOEILV6Jixf4ZcjVzP-7uk8556EoQJBUn-L5oq9q-RNQrwetYLxbGfwZgIZE64W0S_fUHl41xorUeHf4Sb0aKgLtYp2x-aIDucTAY-wUbXduR1NaZ6o-3KaFdjKXzuycU8rWgKo93OR1wFEluGpHfK7Gja0cBfHx2nzxxK-IyeNG-JOvKC24hhbcUeBvTgT-5YwntbpYY/http%3A%2F%2Fx3270.bgp.nu
  website (where you will
also find the curses-based c3270 and the Windows-console based wc3270
terminal emulators).  The x3270 wiki is at 
https://secure-web.cisco.com/1gRnn87ag1mM35cafXIh16nMbkMc3OvmCgjw_sQyss2_klwEo1RNGumak6pbiXjzbpuL-9-orB6_uOv9ySeufZNZBXDqEq1KmuWnbnYfbI4-e0sIxQG8SwpLlptQ9o7Rih4QrlxcNrjN1OpFy1ReKUPom0GsqWe2FtqWS2Cdd55KsMWe_TsW8km5U8sIwEVBoZsOH1eH5mwHtn6ZwtzGhWEhxVUxLSfmzksAs2k2_gJpiWbE52LxStLb_0lXJ9UIq-x4ojCLLefQaVddtz3fW9X9shkoj1BQOWTKmEbByXh-KMbPC2c3qyCEJ-Q-L1Uzf8EVKtY8ryPExFBDjfCLzlra0Aka6o35zfqoc1DBFz3RLXqhPqYKsaIy7eg5aTrMrU_mSp4mimMh083aWzj-Z-IJO3kFKtDlrNDYUhV2Oobb7cXTrkfjTMGCVq6UY-bih/https%3A%2F%2Fx3270.miraheze.org

The source can be downloaded and compiled.  Mac users can also find
x3270 packages on Homebrew and Macports.  The "X" in x3270 is for the
X Window System, so don't forget to check that X11.app in your macOS
Applications folder works.  If necessary, download the
Apple-approved X11.app at  
https://secure-web.cisco.com/1Q7Fj3Z8hsIhBE2qlXCjiD02G5tVcPUvwJTr1FFRYwoeyO75sosLTBDkDDfpiUO1tck67B5MzPIOkYaxKj8uJMDeszlIrkCtCXGHzQVop3Rel4mudfIEX8UskvFnrqw986JaJUujqvmHmKZI3QN4A3jFX9ZBu-0u5unTNoQ0f81WGjwfqU2d9_kI6bPqxob97r3tmiwmS6j97tvgrFh2kNdyng5fWpOHFLj1t0-NU6VuuwNa7dPouSXmgJsu2gQtc35K-_tEW1qV-W0M3z9BAgwewNCZfvyzQN99FuYM5Q_lwmdrOvgrXMCW6GK8YrewCVpv0T_GhZFcVE0FlAZ6XUgZSVhwKlnujfRFmtFA-SorPeqcm_0vXAT0sucanp6U_VN0c9q0-Ianx8GJMdWnrqT_g5jkezPNusaLxuEI3u4HF-VeBjhjIKzVfRK_SViKg/https%3A%2F%2Fwww.xquartz.org

x3270 is pack jammed with good features (SSL support, scripting,
screen-scraping, DBCS Chinese and Japanese support, IND$FILE support,
named-LU support).  My favorite feature is saving screenshots as html,
which is compact, scalable, editable, and superior to other formats
for Word documents or the web.

Of course, x3270 i

Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/4/20 1:22 PM, Paul Gilmartin wrote:

And it works.  Gasp!


Congrats! With our continued effort, your and my $2500 Macs will come to 
approximate the usefulness of a $550 Linux box.


--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan

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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 4 Apr 2020 12:40:09 -0600, Jack J. Woehr wrote:

>On 4/4/20 12:04 PM, Paul Gilmartin wrote:
>> Works.  Doesn't have nearly the Fonts I'm accustomed to on UNIX.
>
>*/opt/local/bin/xset fp+ /opt/local/lib/x3270/fonts/*
>
>Assuming that's where you installed x3270
>
Ah!  More complicated than that.  By trial and error:
693 $ for I in /opt/X11/share/fonts/*/fonts.dir; do ( set -x; /opt/X11/bin/xset 
fp+  ${I%/*} ) done
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/100dpi
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/75dpi
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/OTF
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/Speedo
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/TTF
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/Type1
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/cyrillic
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/misc
-sh 348+ /opt/X11/bin/xset fp+ /opt/X11/share/fonts/util
694 $ 
And it works.  Gasp!

Thanks,
gil

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Re: Free 3270 emulator for Mac OS

[Al Ferguson]

Actually IBM includes a TN3270E Emulator within the “IBM Explorer for z/OS”. It 
works fairly well.

https://www.ibm.com/support/knowledgecenter/SSBDYH/welcome.html 

https://developer.ibm.com/mainframe/products/downloads/eclipse-tools/ 
 

It also integrates with most to the Development and Configuration Tools/Servers 
IBM has out there. It runs on Windows, Mac OS, and Linux (the later two you 
need to supply the Java JVM). If you also need to administer, interface, with 
CICS and/or MQ, there are plugins for those as well.

The nice thing about it is it is maintained by IBM and supports all the current 
TN3270 configuration options (full TLS 1.2 Security, all Unicode character set, 
etc.). 
___

Al Ferguson   | mailto:afergu...@neptunescove.org
Milwaukee, WI USA |   http://www.neptunescove.org

Dulcius ex Asperis

> On 04 April 2020, at 04:33, Raphaël Jacquot  wrote:
> 
> Le 04/04/2020 à 10:21, David Price a écrit :
>> tn3270 X recap
>> ==
>> Just a point about the names of the 3270 emulators in this discussion.
>> 
>> The "Brown University 3270 emulator" that the OP was referring to is
>> called "tn3270 X" (not x3270).  It is also called "tn3270" ambiguously.
>> tn3270 X supports Mac OS X 10.1 through macOS 10.14 Mojave using Apple's 
>> 32-bit Carbon API.
>> 
>> tn3270 X does not support macOS 10.15 Catalina (GA October 2019)
>> because Catalina does not support 32-bit programs.
>> macOS 10.14 Mojave (GA September 2018) is still supported by Apple --
>> it had an update 10 weeks ago.  EOS for 10.14 is September 2021.
>> So hang on to Mojave if you've got it!
>> 
>> Peter DiCamillo wrote tn3270 X in 2002, back when Mac OS X 10.1 and 10.2 
>> were the latest Apple operating systems.
> 
> unfortunately, this is free as in beer, and not as in speech.
> the source code for this thing appears unavailable (otherwise, it would
> have been ported to 64 bit code in a speedy fashion)
> 
> Raphael
> 
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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/4/20 12:04 PM, Paul Gilmartin wrote:

Works.  Doesn't have nearly the Fonts I'm accustomed to on UNIX.


*/opt/local/bin/xset fp+ /opt/local/lib/x3270/fonts/*

Assuming that's where you installed x3270

--
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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 4 Apr 2020 11:27:44 -0600, Jack J. Woehr wrote:

>I just installed from Mac Ports and it runs.
>
Seems pretty far downlevel.  They talk about not having support
for a decade.  But it may matter little.

OK.  Got x3270 v3.6ga11 from http://x3270.bgp.nu/
My mistake was trying to configure; make from the x3270 subdirectory.
Instead need to start from the suite directory and
configure --enable-x3270;  make

Works.  Doesn't have nearly the Fonts I'm accustomed to on UNIX.

>On 4/4/20 11:23 AM, Paul Gilmartin wrote:
>> On Sat, 4 Apr 2020 12:08:06 -0500, Joe Monk  wrote:
>>> Just use homebrew ... you'll save yourself a lot of headache.
>>> ...
>>> brew install x3270
>>>
>> Nope.  See the flame war on:
>>  https://github.com/Homebrew/homebrew-core/issues/46519

Thanks,
gil

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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

I just installed from Mac Ports and it runs.


On 4/4/20 11:23 AM, Paul Gilmartin wrote:

On Sat, 4 Apr 2020 12:08:06 -0500, Joe Monk  wrote:

Just use homebrew ... you'll save yourself a lot of headache.
...
brew install x3270


Nope.  See the flame war on:
 https://github.com/Homebrew/homebrew-core/issues/46519

-- gil

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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 4 Apr 2020 12:08:06 -0500, Joe Monk  wrote:
>
>Just use homebrew ... you'll save yourself a lot of headache.
>...
>brew install x3270
>
Nope.  See the flame war on:
https://github.com/Homebrew/homebrew-core/issues/46519

-- gil

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Re: Free 3270 emulator for Mac OS

[Joe Monk]

Paul,

Just use homebrew ... you'll save yourself a lot of headache.

If you dont have it already:

/bin/bash -c "$(curl -fsSL
https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

then:

brew install x3270

Joe

On Sat, Apr 4, 2020 at 12:05 PM Paul Gilmartin <
000433f07816-dmarc-requ...@listserv.ua.edu> wrote:

> On Sat, 4 Apr 2020 10:38:28 -0600, Jack J. Woehr wrote:
>
> >On 4/4/20 9:51 AM, Paul Gilmartin wrote:
> >> I tried building x3270 on Mojave from source.
> >
> >from http://x3270.bgp.nu/Build.html
> >
> >
> >  Notes for MacOS X
> >
> >Everything except x3270 is built the usual (Unix) way on MacOS X. But to
> >build x3270, you first need to install XQuartz
> >(http://xquartz.macosforge.org/). Then to build all of the emulators,
> >use the following commands: export PATH=$PATH:/opt/X11/bin ./configure
> >--enable-unix --x-includes=/opt/X11/include make
> >
> >By default, the MacOS build uses Secure Transport for SSL/TLS. To switch
> >to OpenSSL, pass the --disable-stransport option to the configure script.
> >
> Thanks for the reminder.  But I now get:
>
>  571  ./configure --enable-unix --x-includes=/opt/X11/include
> --disable-stransport
>  ...
> configure: WARNING: unrecognized options: --enable-unix,
> --disable-stransport
> configure: creating ./config.status
> config.status: creating Makefile
> config.status: creating Makefile.obj
> config.status: creating conf.h
> config.status: conf.h is unchanged
> configure: WARNING: unrecognized options: --enable-unix,
> --disable-stransport
> 572 $ make
> cd ../obj/i386-apple-darwin18.7.0/x3270 &&
> /Applications/Xcode.app/Contents/Developer/usr/bin/make -I../../../x3270
> -I../../../Common -f ../../../x3270/Makefile.obj all
> libs.mk:6: ../../../lib/32xx/32xx-deplibs.mk: No such file or directory
> make[1]: *** No rule to make target `../../../lib/32xx/32xx-deplibs.mk'.
> Stop.
> make: *** [all] Error 2
>
> Thanks,
> gil
>
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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 4 Apr 2020 10:38:28 -0600, Jack J. Woehr wrote:

>On 4/4/20 9:51 AM, Paul Gilmartin wrote:
>> I tried building x3270 on Mojave from source.
>
>from http://x3270.bgp.nu/Build.html
>
>
>  Notes for MacOS X
>
>Everything except x3270 is built the usual (Unix) way on MacOS X. But to
>build x3270, you first need to install XQuartz
>(http://xquartz.macosforge.org/). Then to build all of the emulators,
>use the following commands: export PATH=$PATH:/opt/X11/bin ./configure
>--enable-unix --x-includes=/opt/X11/include make
>
>By default, the MacOS build uses Secure Transport for SSL/TLS. To switch
>to OpenSSL, pass the --disable-stransport option to the configure script.
>
Thanks for the reminder.  But I now get:

 571  ./configure --enable-unix --x-includes=/opt/X11/include 
--disable-stransport
 ...
configure: WARNING: unrecognized options: --enable-unix, --disable-stransport
configure: creating ./config.status
config.status: creating Makefile
config.status: creating Makefile.obj
config.status: creating conf.h
config.status: conf.h is unchanged
configure: WARNING: unrecognized options: --enable-unix, --disable-stransport
572 $ make
cd ../obj/i386-apple-darwin18.7.0/x3270 && 
/Applications/Xcode.app/Contents/Developer/usr/bin/make -I../../../x3270 
-I../../../Common -f ../../../x3270/Makefile.obj all
libs.mk:6: ../../../lib/32xx/32xx-deplibs.mk: No such file or directory
make[1]: *** No rule to make target `../../../lib/32xx/32xx-deplibs.mk'.  Stop.
make: *** [all] Error 2

Thanks,
gil

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Re: Free 3270 emulator for Mac OS

[Joe Monk]

x3270 is also in homebrew...

https://formulae.brew.sh/formula/x3270

Joe

On Sat, Apr 4, 2020 at 11:43 AM Jack J. Woehr  wrote:

> On 4/4/20 9:51 AM, Paul Gilmartin wrote:
> > I tried building x3270 on Mojave from source.
>
> Also, x3270 is in the Mac Ports tree. https://www.macports.org/
>
> Install Mac Ports and then:
>
> sudo port
> install x3270
>
> --
> Jack J. Woehr # Science is more than a body of knowledge. It's a way of
> www.well.com/~jax # thinking, a way of skeptically interrogating the
> universe
> www.softwoehr.com # with a fine understanding of human fallibility. -
> Carl Sagan
>
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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/4/20 9:51 AM, Paul Gilmartin wrote:

I tried building x3270 on Mojave from source.


Also, x3270 is in the Mac Ports tree. https://www.macports.org/

Install Mac Ports and then:

sudo port
install x3270

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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/4/20 9:51 AM, Paul Gilmartin wrote:

I tried building x3270 on Mojave from source.


from http://x3270.bgp.nu/Build.html


 Notes for MacOS X

Everything except x3270 is built the usual (Unix) way on MacOS X. But to 
build x3270, you first need to install XQuartz 
(http://xquartz.macosforge.org/). Then to build all of the emulators, 
use the following commands: export PATH=$PATH:/opt/X11/bin ./configure 
--enable-unix --x-includes=/opt/X11/include make


By default, the MacOS build uses Secure Transport for SSL/TLS. To switch 
to OpenSSL, pass the --disable-stransport option to the configure script.


--
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www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan


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Re: Free 3270 emulator for Mac OS

[Jack J. Woehr]

On 4/4/20 9:51 AM, Paul Gilmartin wrote:

I tried building x3270 on Mojave from source.  Failed with:
 538 $ make


did you ./configure first? http://x3270.bgp.nu/Build.html

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www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan

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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 4 Apr 2020 19:21:51 +1100, David Price wrote:
>
>X3270 is free and supports macOS 10.15 Catalina
>===
>The OP accidentally mentioned x3270.  x3270 runs under the
>X Window System (including on a Mac).  It is free and is supported
>by Paul Mattes on the  http://x3270.bgp.nu  website (where you will
>also find the curses-based c3270 and the Windows-console based wc3270
>terminal emulators).  The x3270 wiki is at https://x3270.miraheze.org
>
I tried building x3270 on Mojave from source.  Failed with:
538 $ make
cd ../obj/i386-apple-darwin18.7.0/x3270 && 
/Applications/Xcode.app/Contents/Developer/usr/bin/make -I../../../x3270 
-I../../../Common -f ../../../x3270/Makefile.obj all
libs.mk:6: ../../../lib/32xx/32xx-deplibs.mk: No such file or directory
make[1]: *** No rule to make target `../../../lib/32xx/32xx-deplibs.mk'.  
Stop.
make: *** [all] Error 2

Google didn't find the error.  I haven't reported to the author.

>The source can be downloaded and compiled.  Mac users can also find
>x3270 packages on Homebrew and Macports.  The "X" in x3270 is for the
>X Window System, so don't forget to check that X11.app in your macOS
>
I installed the Homebrew suite.  Installs Curses version, not X11.
Their forum has a snarky discussion between the Brewer, who is
inexplicably X11-hostile and a user who doesn't understand how
to stroke a potentially charitable supplier.  Never tried Macports.

>Applications folder works.  If necessary, download the
>Apple-approved X11.app at  https://www.xquartz.org
>
>x3270 is pack jammed with good features (SSL support, scripting,
>screen-scraping, DBCS Chinese and Japanese support, IND$FILE support,
>named-LU support).  My favorite feature is saving screenshots as html,
>which is compact, scalable, editable, and superior to other formats
>for Word documents or the web.
>
+1

ISPF Edit has impressive support for HFS files tagged UTF-8, subject to
limitations of the terminal font.  Does ISPF support DBCS terminals?

>Of course, x3270 is also runs well on X-Windows native systems like UNIX and 
>Linux.
>
Such as my VirtualBox Linux guest, yes.


On Sat, 4 Apr 2020 11:33:22 +0200, Raphaël Jacquot wrote:
>>
>> Peter DiCamillo wrote tn3270 X in 2002, back when Mac OS X 10.1 and 10.2 
>> were the latest Apple operating systems.
>
>unfortunately, this is free as in beer, and not as in speech.
>the source code for this thing appears unavailable (otherwise, it would
>have been ported to 64 bit code in a speedy fashion)
>
On DiCamillo's site, https://www.brown.edu/cis/tn3270/index.html
...
Users of tn3270 X are encouraged to use the macintosh-tn3270 mailing list
to discuss alternatives to tn3270 X for Catalina. If you are a developer who
would be interested in participating in an open-source project to implement
a replacement for tn3270 X, please contact Peter DiCamillo.
(Links on the site.  T&C unspecified.)

>_
>From: Mark Regan
>> Sent: Monday, 30 March 2020 10:13:07 -0400
>> 
>> What I ended up using was ZOC, since it supported the 64-bit version of the
>> MacOS. It cost US$ 79.99. Details at https://www.emtec.com/zoc/index.html
>> 
>
>On Mon, Mar 30, 2020 at 10:03 AM Immo wrote:
>> Hi,
>> You can try JProtector from XPS. It is Java based so it runs on Mac OS.
>> But it is not free software.
>
>> Original Message--
>> From: Peter
>> Sent: Saturday, 28 March 2020 22:47:17 +0400
>>
>> I have been using x3270 emulator from brown University and it works well
>> but it doesn't maximize to the full screen size.
>>
>> Is there a way or free alternative emulator which can be tried on Mac OS ?

-- gil

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Re: Free 3270 emulator for Mac OS

[Raphaël Jacquot]

Le 04/04/2020 à 10:21, David Price a écrit :
> tn3270 X recap
> ==
> Just a point about the names of the 3270 emulators in this discussion.
> 
> The "Brown University 3270 emulator" that the OP was referring to is
> called "tn3270 X" (not x3270).  It is also called "tn3270" ambiguously.
> tn3270 X supports Mac OS X 10.1 through macOS 10.14 Mojave using Apple's 
> 32-bit Carbon API.
> 
> tn3270 X does not support macOS 10.15 Catalina (GA October 2019)
> because Catalina does not support 32-bit programs.
> macOS 10.14 Mojave (GA September 2018) is still supported by Apple --
> it had an update 10 weeks ago.  EOS for 10.14 is September 2021.
> So hang on to Mojave if you've got it!
> 
> Peter DiCamillo wrote tn3270 X in 2002, back when Mac OS X 10.1 and 10.2 were 
> the latest Apple operating systems.

unfortunately, this is free as in beer, and not as in speech.
the source code for this thing appears unavailable (otherwise, it would
have been ported to 64 bit code in a speedy fashion)

Raphael

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Re: Free 3270 emulator for Mac OS

[David Price]

tn3270 X recap
==
Just a point about the names of the 3270 emulators in this discussion.

The "Brown University 3270 emulator" that the OP was referring to is
called "tn3270 X" (not x3270).  It is also called "tn3270" ambiguously.
tn3270 X supports Mac OS X 10.1 through macOS 10.14 Mojave using Apple's 32-bit 
Carbon API.

tn3270 X does not support macOS 10.15 Catalina (GA October 2019)
because Catalina does not support 32-bit programs.
macOS 10.14 Mojave (GA September 2018) is still supported by Apple --
it had an update 10 weeks ago.  EOS for 10.14 is September 2021.
So hang on to Mojave if you've got it!

Peter DiCamillo wrote tn3270 X in 2002, back when Mac OS X 10.1 and 10.2 were 
the latest Apple operating systems.

Classic Mac tn3270
==
tn3270 X's predecessor was the (also free) Brown University tn3270.
It was written at Brown University 1988-1996 (by Peter DiCamillo
himself IIRC) during the era of Macintosh System 6, and System 7
(aka Mac OS 7).  It also works on the later Classic (i.e. non-UNIX)
operating systems Mac OS 8 and Mac OS 9.

The Classic Brown University tn3270 terminal emulator supported
3270 Programmed Symbol graphics, but that functionality wasn't
carried forward to the later tn3270 X.
If you have Apple PowerPC-based hardware running (no later than)
Mac OS X 10.4 (e.g. an Apple PowerBook), then it will run the
Classic tn3270 software seamlessly (by quietly running the
Classic Mac OS 9 behind the scenes).

There are a number of Classic Mac OS emulators around these days
(most of them free), so if they include the old MacTCP component
or its API then I guess you can still run the old Classic tn3270
emulator under a modern operating system (albeit indirectly).


X3270 is free and supports macOS 10.15 Catalina
===
The OP accidentally mentioned x3270.  x3270 runs under the
X Window System (including on a Mac).  It is free and is supported
by Paul Mattes on the  http://x3270.bgp.nu  website (where you will
also find the curses-based c3270 and the Windows-console based wc3270
terminal emulators).  The x3270 wiki is at https://x3270.miraheze.org

The source can be downloaded and compiled.  Mac users can also find
x3270 packages on Homebrew and Macports.  The "X" in x3270 is for the
X Window System, so don't forget to check that X11.app in your macOS
Applications folder works.  If necessary, download the
Apple-approved X11.app at  https://www.xquartz.org

x3270 is pack jammed with good features (SSL support, scripting,
screen-scraping, DBCS Chinese and Japanese support, IND$FILE support,
named-LU support).  My favorite feature is saving screenshots as html,
which is compact, scalable, editable, and superior to other formats
for Word documents or the web.

Of course, x3270 is also runs well on X-Windows native systems like UNIX and 
Linux.

_
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
> On Behalf of: Mark Regan 
> Sent: Monday, 30 March 2020 10:13:07 -0400
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
> 
> What I ended up using was ZOC, since it supported the 64-bit version of the
> MacOS. It cost US$ 79.99. Details at https://www.emtec.com/zoc/index.html
> 
> Regards,
> 
> *Mark T. Regan, K8MTR*
> CTO1 USNR-Retired, 1969-1991
> Nationwide Insurance, Retired, 1986-2017


On Mon, Mar 30, 2020 at 10:03 AM Immo  wrote:
> Hi,
> You can try JProtector from XPS. It is Java based so it runs on Mac OS.
> But it is not free software.
>
> Michael
>

> Original Message--
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
> On Behalf of: Peter 
> Sent: Saturday, 28 March 2020 22:47:17 +0400
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Free 3270 emulator for Mac OS
>
> Hello
>
> I have been using x3270 emulator from brown University and it works well
> but it doesn't maximize to the full screen size.
>
> Is there a way or free alternative emulator which can be tried on Mac OS ?
>
> Peter

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Re: Free 3270 emulator for Mac OS

[Mark Regan]

What I ended up using was ZOC, since it supported the 64-bit version of the
MacOS. It cost US$ 79.99. Details at https://www.emtec.com/zoc/index.html

Regards,

*Mark T. Regan, K8MTR*
CTO1 USNR-Retired, 1969-1991
Nationwide Insurance, Retired, 1986-2017


On Mon, Mar 30, 2020 at 10:03 AM Immo  wrote:

> Hi,
>
> You can try JProtector from XPS. It is Java based so it runs on Mac OS.
> But it is not free software.
>
> Michael
>
> -Ursprüngliche Nachricht-
> Von: IBM Mainframe Discussion List  Im Auftrag
> von Peter
> Gesendet: Samstag, 28. März 2020 15:47
> An: IBM-MAIN@LISTSERV.UA.EDU
> Betreff: Free 3270 emulator for Mac OS
>
> Hello
>
> I have been using x3270 emulator from brown University and it works well
> but it doesn't maximize to the full screen size.
>
> Is there a way or free alternative emulator which can be tried on Mac OS ?
>
> Peter
>
> --
> For IBM-MAIN subscribe / signoff / archive access instructions, send email
> to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
> --
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AW: Free 3270 emulator for Mac OS

[Immo]

Hi,

You can try JProtector from XPS. It is Java based so it runs on Mac OS. But it 
is not free software.

Michael

-Ursprüngliche Nachricht-
Von: IBM Mainframe Discussion List  Im Auftrag von 
Peter
Gesendet: Samstag, 28. März 2020 15:47
An: IBM-MAIN@LISTSERV.UA.EDU
Betreff: Free 3270 emulator for Mac OS

Hello

I have been using x3270 emulator from brown University and it works well but it 
doesn't maximize to the full screen size.

Is there a way or free alternative emulator which can be tried on Mac OS ?

Peter

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Re: Free 3270 emulator for Mac OS

[Charles Mills]

Obviously open source is huge. I think what attracts enterprise customers is
not the availability of source* per se but the fact that you can start for
free and decouple growth and cost. How many companies would be running Linux
today if you had to pay $10,000 for your first license? And running more
copies or more MIPS of Linux does not directly increase your software costs
-- that is very attractive: it decouples technology ("spin up another Linux
instance, would you?") from budgets.

*Am I wrong? Those of you who work for conventional "enterprises" (not
consultants, hobbyists or vendors) -- do you see your company seriously
utilize the source code of the open source products you are using? Are you
examining the source to find problems? Are you making local modifications?

I would assert it is not the availability of the source code that is driving
Linux adoption, it is the two factors I name above.

Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Seymour J Metz
Sent: Sunday, March 29, 2020 9:58 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

> Frankly I don't think I have seen any resistance to OCO in twenty years,

What is FOSS, chopped liver?

> Customers are pressing to have exits go away. In other words, they *want* 
> local customization to be parameters plus object code, not source code.

Those are two different things. Making exits available that obviate the need
for local modifications and making parameters available that obviate the
need for exits are desired even by those who hate OCO, and do not imply
taking away the exits or the source code.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
Charles Mills [charl...@mcn.org]
Sent: Sunday, March 29, 2020 11:34 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

> Are you actually seeing resistance to priced software, or only to OCO
software?

I was referring to the OP's "Is there a ... free alternative emulator ...?"

Frankly I don't think I have seen any resistance to OCO in twenty years,
other than on this list. Many, many customers nowadays would not know what
to do with a piece of assembler source if you gave it to them. Customers are
pressing to have exits go away. In other words, they *want* local
customization to be parameters plus object code, not source code.

Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Seymour J Metz
Sent: Saturday, March 28, 2020 5:06 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

There's room for both open source and proprietary software. My preference is
for well maintained software to which I can easily make local changes. If I
have to pay a reasonable license fee and can only provide my changes to
people who are licensed, that's fine.

Are you actually seeing resistance to priced software, or only to OCO
software?

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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sun, 29 Mar 2020 16:57:42 +, Seymour J Metz  wrote:

>> Frankly I don't think I have seen any resistance to OCO in twenty years,
>
>What is FOSS, chopped liver?
>
>> Customers are pressing to have exits go away. In other words, they *want* 
>> local customization to be parameters plus object code, not source code.
>
>Those are two different things. Making exits available that obviate the need 
>for local modifications and making parameters available that obviate the need 
>for exits are desired even by those who hate OCO, and do not imply taking away 
>the exits or the source code.
> 
FOSS is often driven by pride in craftsmanship.  Commercial software
can go to both extremes.  IMO, BPXWDYN reflects considerable pride
in craftsmanship.  The apparent author has responded actively to
informal suggestions from me and others in fora such as this.
Rexx 'MVSVAR'("SYMDEF",...) appears to show the opposite, seeming
to have been coded and documented to spec and passed review with
no attention given to exception reporting or fuzz testing.

Linus's Law: "given enough eyeballs, all bugs are shallow".
(not by Linus)

-- gil

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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

> Frankly I don't think I have seen any resistance to OCO in twenty years,

What is FOSS, chopped liver?

> Customers are pressing to have exits go away. In other words, they *want* 
> local customization to be parameters plus object code, not source code.

Those are two different things. Making exits available that obviate the need 
for local modifications and making parameters available that obviate the need 
for exits are desired even by those who hate OCO, and do not imply taking away 
the exits or the source code.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Charles Mills [charl...@mcn.org]
Sent: Sunday, March 29, 2020 11:34 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

> Are you actually seeing resistance to priced software, or only to OCO
software?

I was referring to the OP's "Is there a ... free alternative emulator ...?"

Frankly I don't think I have seen any resistance to OCO in twenty years,
other than on this list. Many, many customers nowadays would not know what
to do with a piece of assembler source if you gave it to them. Customers are
pressing to have exits go away. In other words, they *want* local
customization to be parameters plus object code, not source code.

Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Seymour J Metz
Sent: Saturday, March 28, 2020 5:06 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

There's room for both open source and proprietary software. My preference is
for well maintained software to which I can easily make local changes. If I
have to pay a reasonable license fee and can only provide my changes to
people who are licensed, that's fine.

Are you actually seeing resistance to priced software, or only to OCO
software?

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Re: Free 3270 emulator for Mac OS

[Charles Mills]

> Are you actually seeing resistance to priced software, or only to OCO
software?

I was referring to the OP's "Is there a ... free alternative emulator ...?"

Frankly I don't think I have seen any resistance to OCO in twenty years,
other than on this list. Many, many customers nowadays would not know what
to do with a piece of assembler source if you gave it to them. Customers are
pressing to have exits go away. In other words, they *want* local
customization to be parameters plus object code, not source code.

Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Seymour J Metz
Sent: Saturday, March 28, 2020 5:06 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

There's room for both open source and proprietary software. My preference is
for well maintained software to which I can easily make local changes. If I
have to pay a reasonable license fee and can only provide my changes to
people who are licensed, that's fine. 

Are you actually seeing resistance to priced software, or only to OCO
software?

--
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Re: Free 3270 emulator for Mac OS

[ITschak Mugzach]

We use Mocha (was recommended here) and it is cheap and work  well (does
include support for ind$file).

ITschak

בתאריך יום א׳, 29 במרץ 2020, 0:04, מאת Charles Mills ‏:

> Why the determination not to financially reward the developers for their
> efforts? Why would I hypothetically write a 3270 emulator if it's not
> important enough to pay for?
>
> Why are computer people so loathe to financially reward computer people?
>
> We're not talking 1% territory here. Tom Brennan's Vista -- my preferred
> emulator but not an option for the Mac -- costs $30 for a single user.
>
> Charles
>
>
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Paul Gilmartin
> Sent: Saturday, March 28, 2020 12:09 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> On Sat, 28 Mar 2020 22:47:17 +0400, Peter wrote:
> >
> >I have been using x3270 emulator from brown University and it works well
> >but it doesn't maximize to the full screen size.
> >
> And it will die with Catalina,
>
> >Is there a way or free alternative emulator which can be tried on Mac OS ?
> >
> Check the archives of this list for last January.
>
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Re: Free 3270 emulator for Mac OS

[Seymour J Metz]

There's room for both open source and proprietary software. My preference is 
for well maintained software to which I can easily make local changes. If I 
have to pay a reasonable license fee and can only provide my changes to people 
who are licensed, that's fine. 

Are you actually seeing resistance to priced software, or only to OCO software?


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Charles Mills [charl...@mcn.org]
Sent: Saturday, March 28, 2020 5:04 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

Why the determination not to financially reward the developers for their 
efforts? Why would I hypothetically write a 3270 emulator if it's not important 
enough to pay for?

Why are computer people so loathe to financially reward computer people?

We're not talking 1% territory here. Tom Brennan's Vista -- my preferred 
emulator but not an option for the Mac -- costs $30 for a single user.

Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Paul Gilmartin
Sent: Saturday, March 28, 2020 12:09 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

On Sat, 28 Mar 2020 22:47:17 +0400, Peter wrote:
>
>I have been using x3270 emulator from brown University and it works well
>but it doesn't maximize to the full screen size.
>
And it will die with Catalina,

>Is there a way or free alternative emulator which can be tried on Mac OS ?
>
Check the archives of this list for last January.

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Re: Free 3270 emulator for Mac OS

[Joe Monk]

Yep ... so as soon as he responds to me we can make that happen. The
conversion from Cocoa to the new APIs isnt hard.

Joe

On Sat, Mar 28, 2020 at 4:55 PM Paul Gilmartin <
000433f07816-dmarc-requ...@listserv.ua.edu> wrote:

> On Sat, 28 Mar 2020 16:47:36 -0500, Joe Monk wrote:
>
> >Ive been trying to get in touch with the guy who wrote the brown
> university
> >emulator. So far no response...
> >
> On https://www.brown.edu/cis/tn3270/index.html#latest
> Peter DiCamillo says has no resource nor intention to support
> a 64-bit version required by 10.15 (Catalina).  He solicit volunteers
> for an open-source port effort.
>
> -- gil
>
> --
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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 28 Mar 2020 16:47:36 -0500, Joe Monk wrote:

>Ive been trying to get in touch with the guy who wrote the brown university
>emulator. So far no response...
> 
On https://www.brown.edu/cis/tn3270/index.html#latest
Peter DiCamillo says has no resource nor intention to support
a 64-bit version required by 10.15 (Catalina).  He solicit volunteers
for an open-source port effort.

-- gil

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Re: Free 3270 emulator for Mac OS

[Joe Monk]

Ive been trying to get in touch with the guy who wrote the brown university
emulator. So far no response...

Joe

On Sat, Mar 28, 2020 at 4:04 PM Charles Mills  wrote:

> Why the determination not to financially reward the developers for their
> efforts? Why would I hypothetically write a 3270 emulator if it's not
> important enough to pay for?
>
> Why are computer people so loathe to financially reward computer people?
>
> We're not talking 1% territory here. Tom Brennan's Vista -- my preferred
> emulator but not an option for the Mac -- costs $30 for a single user.
>
> Charles
>
>
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Paul Gilmartin
> Sent: Saturday, March 28, 2020 12:09 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Free 3270 emulator for Mac OS
>
> On Sat, 28 Mar 2020 22:47:17 +0400, Peter wrote:
> >
> >I have been using x3270 emulator from brown University and it works well
> >but it doesn't maximize to the full screen size.
> >
> And it will die with Catalina,
>
> >Is there a way or free alternative emulator which can be tried on Mac OS ?
> >
> Check the archives of this list for last January.
>
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Re: Free 3270 emulator for Mac OS

[Charles Mills]

Why the determination not to financially reward the developers for their 
efforts? Why would I hypothetically write a 3270 emulator if it's not important 
enough to pay for?

Why are computer people so loathe to financially reward computer people?

We're not talking 1% territory here. Tom Brennan's Vista -- my preferred 
emulator but not an option for the Mac -- costs $30 for a single user.

Charles


-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Paul Gilmartin
Sent: Saturday, March 28, 2020 12:09 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Free 3270 emulator for Mac OS

On Sat, 28 Mar 2020 22:47:17 +0400, Peter wrote:
>
>I have been using x3270 emulator from brown University and it works well
>but it doesn't maximize to the full screen size.
> 
And it will die with Catalina,

>Is there a way or free alternative emulator which can be tried on Mac OS ?
> 
Check the archives of this list for last January.

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Re: Free 3270 emulator for Mac OS

[Paul Gilmartin]

On Sat, 28 Mar 2020 22:47:17 +0400, Peter wrote:
>
>I have been using x3270 emulator from brown University and it works well
>but it doesn't maximize to the full screen size.
> 
And it will die with Catalina,

>Is there a way or free alternative emulator which can be tried on Mac OS ?
> 
Check the archives of this list for last January.

-- gil

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Free 3270 emulator for Mac OS

[Peter]

Hello

I have been using x3270 emulator from brown University and it works well
but it doesn't maximize to the full screen size.

Is there a way or free alternative emulator which can be tried on Mac OS ?

Peter

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