Absolutely right, Alan. That's what I get for wading through my emails from the top (most recent). I was composing a thread-closing post based on his reply when I saw your note.

Sir Lynn does us amateur VM historians a great service with his encyclopedic records and recall. Not to mention having influenced a large part of it himself. :-)

-Chip-

On 7/14/09 04:35 Alan Altmark said:
On Tuesday, 07/14/2009 at 12:12 EDT, Chip Davis <[email protected]> wrote:
Jeff, yours may be the earliest reference to "saved segments" so far. Is
the
"named segment" you mention the same concept? That would push
implementation of
the idea back into the CP/67 days.

I thought Sir Lynn's posts on the subject rather definitive, no? If I read it rightly, NSS was in CP/67 and DCSS arrived VM/370 R3.

Alan Altmark
z/VM Development
IBM Endicott

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