CDC Kronos

Kronos
DeveloperControl Data Corporation
Working stateHistoric
Initial release1971; 53 years ago (1971)
Latest releaseKronos level 439
Marketing targetMainframe computers
PlatformsCDC 6000 series and successors
Influenced byChippewa Operating System
LicenseProprietary

Kronos is an operating system with time-sharing capabilities, written by Control Data Corporation in 1971.[1] Kronos ran on the 60-bit CDC 6000 series mainframe computers and their successors. CDC replaced Kronos with the NOS operating system in the late 1970s, which were succeeded by the NOS/VE operating system in the mid-1980s.[2][3]

The MACE operating system and APEX were forerunners to KRONOS. It was written by Control Data systems programmer Greg Mansfield, Dave Cahlander, Bob Tate and three others.

See also

References

  1. ^ "CDC Operating System History Mar76" (PDF). Control Data Corporation. Retrieved 7 March 2023.
  2. ^ "Kronos 2.1 Time-Sharing User's Reference Manual" (PDF). Control Data Corporation. Retrieved 25 July 2011.
  3. ^ Lindsay, David S. (1976-03-29). "A hardware monitor study of a CDC KRONOS system". Proceedings of the 1976 ACM SIGMETRICS conference on Computer performance modeling measurement and evaluation - SIGMETRICS '76. New York, NY, USA: Association for Computing Machinery. pp. 136–144. doi:10.1145/800200.806190. ISBN 978-1-4503-7497-2. S2CID 18828764.


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