Bob Halpern wrote:
Tss was implemented at Computer Scieces Corp
ref:
http://www.garlic.com/~lynn/2007f.html#7 IBM S/360 series operating systems
history
at one time there was this joke about there possibly being 1200 people in mohansic
working on tss/360 and total of 12 people at the cambridge science center working
on cp67/cms (and aggregate productivity of the science center exceeding the
aggregate productivity of the 1200 people in mohansic).
tss/360 did have a few loyal customers that hung on ... like GM research ...
and after
tss/360 product was canceled there was enuf interest for keeping a small group in place
supporting some existing customers, including doing a conversion to 370.
tss/370 saw some return to life at AT&T where there was a UNIX kernel built on
top of a stripped down tss/370 kernel (only available for internal AT&T)
at some point, IBM Germany looked at putting out a similar tss/370 mainframe
unix product
and put in place an official (new) product group ... bringing some number of the
tss/370 people over from the states ... however this never made it out the door.
There were also number of vm-based unix projects under way in the early to mid
80s which
also never made it out the door.
There was big started to do BSD offering on vm370 ... but part way thru, it got
retargeted to the PC/RT and released as a product for the PC/RT called AOS (not
to
be confused with the AOS SVC prototype).
What finally made it out the doors was (unix-like) UCLA's "LOCUS" offered as
AIX/370 (under VM) and AIX/PS2 ... providing single-system-image type operation,
not only across mainframe systems ... but also between mainframes and PS2s
(sort of what SAA from the period claimed to aspire to).
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