Subj : Re: what's classic now?
To   : Stan Hosdar
From : Dan Cross
Date : Fri Jul 02 2021 03:08 am

On 30 Jun 2021 at 08:57p, Stan Hosdar pondered and said...
 
 SH> what OS did a pdp-11 run? in particular what OS did cpm (and dos, etc)
 SH> emulate with it's .com, .exe and other similar command lines?

Kildall was, I believe, mostly influenced by RSTS/E on the
PDP-11.  My guess is that he heard about PIP (Peripheral
Interchange Program) there.

Gates and Allen were familiar with TOPS-10 from using the
PDP-10 at Harvard (and I seem to recall Gates's private
school in Seattle had access to some powerful -- for the
time -- mainframe-class machine, but I may be misremembering).

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