Unix was _developed_ on the 11/20. The first versions (up to the
fourth or fifth edition or so) didn't require an MMU, and, therfore,
had no protection whatsoever.
Dennis... tell us the "All out?" story.. please.. :)
--fred
-----Original Message-----
From: Dave Horsfall [mailto:dave@horsfall.org]
Sent: Monday, September 02, 2002 3:02 AM
To: PDP Unix Preservation Society
Subject: Re: [pups] PDP-9?
On Sun, 18 Aug 2002, Lars Buitinck wrote:
we all know that UNIX first ran on the PDP-7 and
then on
the PDP-11/20,
Just got back from overseas, but this doesn't seem to have
been addressed:
AFAIK, Unix never ran on the 11/20 (no MM unit); did you mean
a DEC-20?
--
Dave Horsfall DTM VK2KFU dave(a)esi.com.au Ph: +61 2
9906-3377 Fx: 9906-3468
(Unix Guru) Pacific ESI, Unit 22, 8 Campbell St, Artarmon,
NSW 2065, Australia
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