MOS (operating system)

MOS signifies 'Mobile Operating System' (Russian: Моби́льная Операцио́нная Систе́ма, МОС). It was a Soviet clone of Unix in the 1980s.  This operating system was commonly found on SM EVM minicomputers; it was also ported to ES EVM and Elbrus. MOS was also used in high-end PDP-11 clones.

There have been several modifications of MOS named MNOS, DEMOS, INMOS etc.

See also

• List of Soviet computer systems

References

• Balodis, Rihards; et al. "History of Nordic Computing 3" IFIP Advances in Information and Communication Technology, 2011, Volume 350/2011, 453-461 — "The common operating system was MOS, a clone of UNIX."