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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  • Wmill [they/them]
    ·
    3 days ago

    My mom keeps using "mijas" to refer to me and my sibling, be processing how I feel about it. I don't know I feel like I don't mind being called mijo or mija as much since it's in spanish and I got different feels for it than english. Even outside of talking to us both, she's also just used mija on me and unless I say something she doesn't correct/notice it. Don't know if anyone else has notice different feels in regard to gender in other languages what with the feminine and masculine pronouns for stuff.

    • sneak100
      ·
      edit-2
      3 days ago

      deleted by creator

      • Wmill [they/them]
        ·
        3 days ago

        trans-sad that's rough on both parts on the feeling bad and not finding other peeps to talk to. I do hope you find peeps in both venn diagrams to hash stuff out.