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]@hexbear.netEnglish
    7·
    9 days ago

    My sleep these past days has been alright, I go to bed with half a gallon of water and usually by midnight I finish it and get another half gallon of water.

    nsfw

    Used to piss the bed growing up and it was one of the reasons I never had sleep overs and the like but suddenly I just stopped doing it. I don’t know what changed and here I am with all this water

    • ComradeMonotreme [she/her, he/him]@hexbear.netEnglish
      4·
      9 days ago

      It seems paradoxical but concentrated urine is an irritant and that stimulates the bladder, being hydrated is actually a step to treat bed wetting (also helps constipation which often contributes by creating more pressure on the bladder too).