On Mar 17, 2014, at 9:35 PM, Ted MacNEIL wrote:

I think your dates are wrong.
VM was CP67 released in guess what year?
MVS was first released in 1974.
SVS was OS/VS1 and MVS was OS/VS2, IIRC.
I'm sure, if I'm wrong, somebody'll correct me.

-
-teD


Ted:
SVS was *NOT* os/vs1 many many reasons ... but the first one that comes to mind is the SVS had TSO it also had HASP . The 1974 sounds right. I remember IPLing it around then at a local IBM Ed center in the middle of the night.
Ed

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