[pups] PDP-9?

Johnny Billquist bqt at update.uu.se
Mon Sep 2 11:38:35 AEST 2002

On Mon, 2 Sep 2002, Dave Horsfall wrote:

> 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?

Um? Who said Unix used an MMU in the beginning?

No, Unix never ran on a PDP-10. It was PDP-7 and then the PDP-11, and I
believe it was a PDP-11/20 at the beginning.


Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt at update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol

More information about the TUHS mailing list