On Thu, 29 Jun 2017 19:23:31 +0000, J R wrote: >Well, it's a long, long time ago, but I seem to remember that many TSO >sessions would share a TSO Region, which was a single job. (No address spaces >then.). If you had lots of TSO users, and sufficient horsepower, you would >run multiple TSO Regions. > What, then, was the scope of an allocation? Of an ENQ? What happened if multiple users concurrently ALLOCATEd SYSUT2? I suppose carefully avoiding RET=HAVE could keep the DSN spaces separate. And users would just need to deal with that and the "IKJ56246I type_name NOT ALLOCATED, FILE IN USE" condition.
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