In <20140318023541.6004883.11714.4...@yahoo.ca>, on 03/17/2014
   at 10:35 PM, Ted MacNEIL <eamacn...@yahoo.ca> said:

>I think your dates are wrong.

Yes, but still more accurate than what you wrote.

>VM was CP67

In the sense that OS/390 was OS/360. VM was a rewrite of CP67.

>SVS was OS/VS1 and MVS was OS/VS2, IIRC.

You don't; SVS was OS/VS2 R1 and MVS was OS/VS2 R12 and later. OS/VS1
was the upgrade from OS/360 MFT.
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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