In <[email protected]>, on
04/21/2014
   at 11:58 AM, Paul Gilmartin <[email protected]> said:

>What do PDSE and the (obsolescent) HFS use?

I believe that while they are CI formatted and use the Media Manager,
they are not VSAM.

>What about paging and JES?  Do both antedate VSAM LDS?

Yes. However, the old page data sets are long gone; it's now VSAM all
the way. JES SPOOL I/O is still handled by the JES.
 
-- 
     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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