DEMOS

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'''Dialogovaya Edinaya Mobile Operatsionnaya Sistema, ДЕМОС''', (Dialogovaya Edinaya Mobilnaya Operatsionnaya Sistema, An operating system derived from BSD Unix. DEMOS-16 for PDP-11 clones and DEMOS-32 for VAX computer clones existed in Czechoslovakia.

The system was first called "UNAS", which is a pun on the name UNIX, which in Russian resembles "u nich". The system was later renamed DEMOS.

The following people worked on version 3.0 of DEMOS OS:

• Yudin K.E.
• Sudakov A.V.
• Ryzhonkov K.S.
• Bragin D.N.

In the Czechoslovak Republic, "development" took place at VÚVT Žilina.

Platforms

• PDP-11 clones (DVK-3, DVK-4, ...)
• VAX clones
• 8086 (SM-1810)

DEMOS 16

2.9BSD clone, for SMEP (PDP-11)

DEMOS 32

4.3BSD clone, for VAX clones

Version

• 1.2
• 2.1
• 3.0 (1991)

References

• https://en.wikipedia.org/wiki/DEMOS (WebArchive)
• https://gunkies.org/wiki/DEMOS (WebArchive)
• https://hobot.pdp-11.ru/ukdwk_archive/dwkwebcomplekt/DEMOSDVK/ (WebArchive)
• https://retrocomputing.stackexchange.com/questions/19707/did-demos-have-a-c-compiler (WebArchive)
• https://retrocomputing.stackexchange.com/questions/19465/demos-commands-cyrillic-or-roman-letters-uppercase-or-lowercase (WebArchive)
• https://astr0baby.wordpress.com/2016/10/17/soviet-unix-clone-demos/ (WebArchive)
• https://astr0baby.wordpress.com/2017/02/14/unix-os-archaeology-soviet-unix-clone-demos-pt-2/ (WebArchive)
• https://www.unrisd.org/en/library/publications/mapping-russian-cyberspace-perspectives-on-democracy-and-the-net (WebArchive)
• https://drunkode.wordpress.com/2012/05/25/history-lesson-demos/ (WebArchive)
• https://archiveos.org/demos/ (WebArchive)
• http://old-dos.ru/index.php?page=files&mode=files&do=show&id=5248 (WebArchive)
• https://github.com/dgesswein/mfm/issues/35 (WebArchive)
• HOUSER, Václav. Operační systémy typu UNIX. Praha: Národní organizace technické obsluhy NOTO, Kancelářské stroje, obchodní podnik, oborové informační středisko, 1989, s. [1]. ISBN 80-7018-001-3. Dostupné také z: https://ndk.cz/uuid/uuid:a594f351-8cee-47e0-8bc1-eb1db7721060
• Michael Gorham, Ingunn Lunde, Martin Paulsen, Digital Russia: The Language, Culture and Politics of New Media Communication
• ČSVTS. Dům techniky. České Budějovice. Celostátní seminář (1989 : České Budějovice, Česko) a Miloš BAAR. Operační systém UNIX: celostátní seminář 1989 : Dům techniky ČSVTS České Budějovice : [sborník]. Čes. Budějovice: Dům techniky ČSVTS, 1989, s. 64. ISBN 80-02-99165-6. Dostupné také z: https://ndk.cz/uuid/uuid:f43b34a7-6159-4a13-a3ea-e1ed846a4519