18 Jun
2014
18 Jun
'14
8:48 p.m.
On Wed, Jun 18, 2014 at 10:43 AM, <iking(a)killthewabbit.org> wrote:
Interesting - what's your source? It was also my
understanding they used
the -7 'because it was there' but that they had pitched for a PDP-10, which
had TOPS-10. - Ian
*laugh*
Doug, weren't you department head at the time, or did that come later?
- Dan C.
Sent from my android device.
-----Original Message-----
From: Doug McIlroy <doug(a)cs.dartmouth.edu>
To: tuhs(a)minnie.tuhs.org
Sent: Wed, 18 Jun 2014 4:06 AM
Subject: Re: [TUHS] Happy birthday, core dumped
It's always been a bit of a mystery to me
why Thompson and Ritchie
decided they needed to write a new executive - UNICS -
rather than use
DECsys.
It was the other way around. They had conceived a clean, simple, yet
powerful, operating system and needed a machine to build it on. A
cast-off PDP-7 happened to be at hand.
Doug
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