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16MB systems on OS/VS1, DOS/VS, possibly SVS should never page. The object of these systems was to present a virtual 16MB system to the users. If you had 16MB it would be essential V=R all the time.

My night wares is soon as i think of OS complexity vs VM. For example, add devices to VM, change one file, assemble, rebuild the nucleus, install it, and IPL. Five steps, you're done in ten minutes.

SVS 1.7K has VTAM and VSAM, but I don't know that we have any SVS application that uses VTAM. TSO doesn't, it's still TCAM-only on SVS. The copy we have includes VTAM, but part of TCAM is missing

Arrrrggghhh - the nightmares are starting again LOL !!! When the system I was on switched from R21 MVT to SVS, there were endless meetings about moving from the drum TSO swap devices to TSO page

Hi, Tony, Look here: http://bitsavers.org/pdf/ibm/370/OS_VS2/Release_1.6_Mar73/ The last two manuals on that page will answer ALL of your questions about how TSO worked on SVS. :-) Each TSO

Yeah - I thought that one was unlikely for a few reasons. Interesting... I'm still not getting this entirely, though. In MVT TSO, for a given TSO region, all users shared the same address range, and

Hi, Tony, In SVS, it specifically prohibits you from running TSO in a V=R region, Also, they got rid of "swapping" in the sense of those swap data sets used in OS/360 MVT. Instead, what you do

I worked on MVT and then went straight to MVS - never in my life used an SVS system. So I've never thought about how TSO worked in the large single address space. I imagine it still had SWAP

Hi, Drew, The SVS that we have here is "bare bones" as a plain vanilla IBM SCP distribution, built from some SVS 1.7K DLIBs we were able to recover. It is notably incomplete due to the lack of TSO.

Mark Waterbury once said on the hercules-390 goup: One of the selling points of CMS was it could run as twice many users of TSO on the same hardware. What does the SVS version in this group's

(cross-posting this message here on behalf of Andreas Geissbuehler) INTERCOMM Preservation Project Update Last May, many of you expressed interest in helping to save the INTERCOMM TeleProcessing

Thank you! Roberto El jue, 24 mar 2022 a las 0:22, Fish Fish (<david.b.trout@...>) escribió:

I agree!! *VERY* cool!! -- "Fish" (David B. Trout) Software Development Laboratories http://www.softdevlabs.com mail: fish@...

Very cool!

Hi Guys On top of Richard Cornwell excelent IBM360 simulator I've added a Model 370/145 and 370/148 Cpu panel + i/o devices They runs (among others) OS/VS1 Release 6 and OS/VS1 Release 6.7 The

The wiki says, it is starter system in files section, but I can see only dist tape and jcl for gen system, it is not ctl files for dasdload. I am wrong?

Hi Gary, I have put the OSVS1 auto build script in: http://sky-visions.com/IBM360/osvs1r67.zip This will not work with Hercules, but with SimH IBM360. IBM360 simH is available at:

Rich. Yes, please send me your auto build job. I will include it with my VTP 3.8 update! Thanks, Gary

I got VTP 3.7 to run on my version of OS/VS1, under SimH 360 simulator. I can make auto build job available if there is interest. Rich

I got through the first part of Kevin Leonard's gen process. I did run into some issues, though... 1) The biggest issue is that the starter system only has 4 3350s defined. I discovered this was a