Girish Mahajan (Editor)

CDC Kronos

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Working state
  
Historic

Latest release
  
Kronos level 439

Initial release
  
1970s

Marketing target
  
Mainframe computers

Developer
  
Control Data Corporation

Platforms
  
CDC 6000 series and successors

Kronos is an operating system with time-sharing capabilities, written by Control Data Corporation in the 1970s. 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.

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 3 others.

References

CDC Kronos Wikipedia