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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  • EstraDoll [she/her]
    ·
    1 month ago

    lmao the "am i really trans" thoughts just keep coming, don't they? they just hit me today and I asked "why wouldn't I be" and the only answer I had was "I don't know" but I still feel it anyway? lmao

    • MusicOwl [comrade/them, sie/hir]M
      ·
      1 month ago

      I think this is just a part of the trans experience.

      looks at body that I feel so comfortable in “I love everything about this, but could I really be trans?

      Show

      I also find this continually affirming, from incredible nonbinary transfem musician Arca.

    • buh [she/her]M
      ·
      1 month ago

      I get this sometimes. I think it's mostly internalized transphobia, since for me it comes in the form of thinking "this is just some misguided last ditch cope attempt to fix things about my personal life I'm unhappy with, that I'm too lazy/scared to fix it in more conventional ways".

      • Thallo [she/her]
        ·
        1 month ago

        "this is just some misguided last ditch cope attempt to fix things about my personal life I'm unhappy with, that I'm too lazy/scared to fix it in more conventional ways".

        seen-this-one