One "Sessions" was a freebie "value add" from Amdahl for their customers. 
Great stuff.  Instead of logging on, you issued a DIAL PIE (or whatever 
server name you used) command and it permitted starting up and 
hot-switching up to 12 logons from that single screen.

Didn't Arty Ecock had another program named "session" that built an LDEV 
on an existing logged on CMS userid, and popped you into that session?

The old Amdahl Sessions tool was bought by Technologic Software Concepts 
or Irvine, CA.  They renamed it Pie/VM-Sessions, enhanced and supported it 
for many years before their direction changed. They formally dropped the 
product and its support on January 1, 2000 (killed by Y2K; with few 
customers they did not want to spend time re-writing the code to validate 
the CPU serial number against the 4-digit date).

But PC terminal emulation software has pretty much made it obsolete 
anyway, although with an added cost of a communications connection for 
every emulator session.  With TCPIP, the cost of the connections is pretty 
insignificant - SNA was a little more expensive.

None of those were anything like Linux's sudo.  If the requirements were 
made clearer, perhaps we could address it another way (maybe using SCIF, 
or a server running a command authorization program).

Mike Walter 
Hewitt Associates 
Any opinions expressed herein are mine alone and do not necessarily 
represent the opinions or policies of Hewitt Associates.




"Tom Duerbusch" <[EMAIL PROTECTED]> 

Sent by: "The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU>
01/02/2007 04:39 PM
Please respond to
"The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU>



To
IBMVM@LISTSERV.UARK.EDU
cc

Subject
Re: switch user without logoff






There was a package.....

It was a user contributed program on VM/SP days.
You would type the program name with a name and it would create a LDEV
device with that session name.

You would then get the VM logo, sign on to that CMS (or do a DIAL to
some multi-user system, such as VSE), and you could hotkey between that
session and the base session.  That is as close to the Linux "su"
command I've ever seen.

Now that it is comming back to me, the package name was "sessions".  In
the last 10 years, I've always had either a mainframe session manager
product (such as tubes), or TN3270 session (which you can have as many
as you are willing to support).

I don't know if "sessions" was ever upgraded to ESA (and beyond), but a
product like what you are looking for, did exist.  Free package, that
is.

Tom Duerbusch
THD Consulting

>>> [EMAIL PROTECTED] 12/31/2006 7:00 AM >>>
Hi

Is it possible to swich user (normally or with logon by method)
without
logoff under z/VM?
I find passthru but it seems not for this kind of problem..




 
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