Dennis Ritchie <dmr(a)plan9.bell-labs.com> writes:
The 7, 9, 15 were very compatible. [...] There was
very little
rewriting to try Unix out on the -9 and -15; perhaps just some
tweaks in the disk device commands. I don't think the system
actually ran on either for more than a few hours. Ken was just
playing around.
No attempts to run on a PDP-4, then?
--
Lars Brinkhoff
http://lars.nocrew.org/ Linux, GCC, PDP-10,
Brinkhoff Consulting
http://www.brinkhoff.se/ HTTP programming