DEMOS (Dialogovaya Edinaya Mobilnaya Operatsionnaya Sistema: Russian: Диалоговая Единая Мобильная Операционная Система, ДЕМОС, lit. 'Interactive Unified Portable Operating System') is a Unix-like operating system developed in the Soviet Union. It is derived from Berkeley Software Distribution (BSD) Unix.

It's development was initiated in the Kurchatov Institute of Atomic Energy in Moscow in 1982, and development continued in cooperation from other institutes, and commercialized by DEMOS Co-operative which employed most key contributors to DEMOS and to its earlier alternative, MNOS (a clone of Version 6 Unix). MNOS and DEMOS version 1.x were gradually merged from 1986 until 1990, leaving the joint OS, DEMOS version 2.x, with support for different Cyrillic script character encoding (charsets) (KOI-8 and U-code, used in DEMOS 1 and MNOS, respectively).

Initially it was developed for SM-4 (a PDP-11/40 clone) and SM-1600. Later it was ported to Elektronika-1082, BESM, ES EVM, clones of VAX-11 (SM-1700), and several other platforms, including PC/XT, Elektronika-85 (a clone of DEC Professional), and several Motorola 68020-based microcomputers.

The development of DEMOS effectively ceased in 1991, when the second project of the DEMOS team, RELCOM, took priority.

An archive of the DEMOS source code can found here: https://github.com/bpr97050/DEMOS There's some interesting comments and mailing list archives in that repository as well. :)


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  • CrookedSerpent [she/her]
    ·
    3 days ago

    Okay guys dont tell everyone, but I genuinley think this is the dumbest struggle session to ever happen on this website, and ive been here for ALL OF THEM. This one is so bad, im not even gunna bother making a funny bit/bait post about it like I usually do. Literally the dumbest shit imaginable, grow up.

      • BountifulEggnog [she/her]
        ·
        edit-2
        3 days ago

        Thank you for that, I did not appreciate some of the things that have been said but haven't been in a place to say anything myself.

    • TerminalEncounter [she/her]
      ·
      3 days ago

      Megathreads are sanctuaries from struggle session but this one is amazing and I want more people to be temp banned

      TC69 came back shot down like a god damn beautiful meteorite and I can't believe I forgot how much I missed her

    • Thallo [love/loves]
      ·
      3 days ago

      I just went and read like that entire thread and I don't know any more about it than before I read it

    • GenderIsOpSec [she/her]
      ·
      3 days ago

      oh we're having another struggle session? very nice, very nice, i hope that's nice or sorry that happened. Back to reading this 750k disgusting hetero fanfic catgirl-disgust