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-----Original Message-----
>From: Anthony Fletcher <fletc...@xtra.co.nz>
>Sent: Apr 15, 2017 10:36 PM
>To: IBM-MAIN@LISTSERV.UA.EDU
>Subject: Re: Mainframe operating systems?
>
>I was the SYSPROG in its later stages before moving on to TSO using TCAM
>which was a disaster to start with.
>
>TSOS supported 1 mainframe stream, 2 X2260 sessions and 2X2741 sessions.
>
>-----Original Message-----
>From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
>Behalf Of Field, Alan
>Sent: Sunday, 16 April 2017 10:43 AM
>To: IBM-MAIN@LISTSERV.UA.EDU
>Subject: Re: Mainframe operating systems?
>
>Ran PCP on a 360/40 with home grown time sharing we called TSOS
>
>Alan Field
>Systems Engineer Principal
>Blue Cross Blue Shield of MN
>
>651.662.3546
>
>-----Original Message-----
>From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
>Behalf Of Phil Smith
>Sent: Saturday, April 15, 2017 4:28 PM
>To: IBM-MAIN@LISTSERV.UA.EDU
>Subject: Mainframe operating systems?
>
>CAUTION:  This email originated outside of the organization.
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>______________________________________________________________________
>Today's random wondering: how many operating systems can folks remember
>having run on S/360 and descendants? I can think of:
>
>OS/360 (including MFT, MVT, MVS, up thru z/OS, including MSP and VOS3) VM
>(CP/40 up thru z/VM) DOS (or did it start as TOS? Not my turf! up thru
>z/VSE) ACP (up thru z/TPF) TSS MUMPS MUSIC PICK AIX Linux, of course
>Solaris, almost ORVYL? WYLBUR? I think ORVYL was the OS and WYLBUR was the
>user environment - sort of the CP-CMS or z/OS-TSO relationship, but canna
>remember for sure; someone here will know VICOM
>
>What others? No credit for things like DDR or ICKDSF, which, while IPLable,
>aren't really "OSes" in any kind of real sense!
>
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