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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  • Jenniferrr [she/her, comrade/them]
    ·
    13 hours ago

    Soooo how fucked are we? I am legitimately worried about losing my healthcare. Should I be looking to leave the country?

    • femboi [they/them, she/her]
      ·
      10 hours ago

      I'd definitely make contingency plans to move to a state with trans protections. Leaving the country, if it is something within your means, should probably be a last resort thing unless you already have a good support network abroad

      • Jenniferrr [she/her, comrade/them]
        ·
        9 hours ago

        Yeah so I am already in a blue state that has good trans protections. I'm just honestly wondering how far they'll take it with the federal government. I just so happen to a work for an international company and could just do an internal transfer

      • Jenniferrr [she/her, comrade/them]
        ·
        9 hours ago

        Yeah. I just don't know when to pull the trigger and I don't want to be too late either. But I also don't wanna leave home. Idk. I don't want to lose my healthcare or worse, be put in some camp or men's prison or something