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| Developer | General Electric, Honeywell, Groupe Bull, Atos |
|---|---|
| Working state | Current |
| Initial release | 1962 |
| Latest release | GCOS 8 |
| Platforms | GE-600 series, Honeywell 6000 series |
| License | proprietary |
| Official website | atos |
General Comprehensive Operating System (GCOS, /ˈdʒiːkoʊs/; originally GECOS, General Electric Comprehensive Operating Supervisor)[a] is a family of operating systems oriented toward the 36-bit GE-600 series[1] and Honeywell 6000 series[2] mainframe computers.
The original version of GCOS was developed by General Electric beginning in 1962.[3] The operating system is still used today in its most recent versions (GCOS 7 and GCOS 8) on servers and mainframes produced by Groupe Bull, primarily through emulation, to provide continuity with legacy mainframe environments. GCOS 7 and GCOS 8 are separate branches of the operating system and continue to be developed alongside each other.[4]
- ^ a b GE-635 Comprehensive Operating Supervisor (PDF). General Electric. July 1964. CPB-1002.
- ^ Level 66/Series 6000 General Comprehensive Operating Supervisor (GCOS) (PDF). Honeywell. August 1980. DD19-01.
- ^ "GCOS".
An operating system developed by General Electric from 1962; originally called GECOS (the General Electric Comprehensive Operating System).
- ^ "Bull launches its new mainframe family gcos 7 systems leveraging Extreme Computing technologies". September 29, 2011. Archived from the original on September 6, 2018. Retrieved September 6, 2018.
This makes novascale 7010 servers the most open on the market, along with Bull's novascale 9010 family running gcos 8.
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