I figured you guys may get a kick out of this...
You can download a 'ready to run' version here:
Included is a modified version of SIMH's PDP-11 emulator with a new
disk controller. Binaries are included for both Linux & Win32.
Source to his additions are here:
And the source to version 2.2 of Demos has been provided here:
Oh control+n lets you input in russian, and control+o lets you input in english.
From what I understand DEMOS is derived from 2.9 BSD..
I don't speak Russian and what I end up doing is cutting & pasting
into google translate... For some really bizarre translations.
Demos is Copyright 1991 by Research Institute "Scientific Centre", lab 462/2.