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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Ow, that sounds painful. Hope you're doing alright now.
CW everything, bodies are evil.
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Ohoho, I thought I was on the upswing but then my recently poofed hemorrhoid area was like, 'nah bro, nah' upset after eating something, and when I went in to work today, that's where the evil fucker ruptured yesterday though it's had all these chances since July, was like 'surprise!' it hurt to damn walk in this morning, which was a usual morning after closing, and my coworkers were like 'damn are you in pain'. Omg yes, not just psychologically per usual. As long as I have no more fast exits it'll stop being mad and tender maybe. This was my worst one yet, even worse than my first one in my 20s when I was a real chunky boi. I suspect that's the cause too, stress so high I gained 30 pounds from work.