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General Comprehensive Operating System
General Comprehensive Operating System (GCOS, /ˈdʒiːkoʊs/; originally GECOS, General Electric Comprehensive Operating Supervisor) is a family of operating systems oriented toward the 36-bit GE-600 series and Honeywell 6000 series mainframe computers.
The original version of GCOS was developed by General Electric beginning in 1962. 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.
The GECOS operating system was developed by General Electric for the 36-bit GE-600 series in 1962–1964; GE released GECOS I (with a prototype 635) in April 1965, GECOS II in November 1965 and GECOS III (with time-sharing) in 1967. It bore a close resemblance architecturally to IBSYS on the IBM 7094 and less to DOS/360 on the IBM System/360. However, the GE 600 Series four processor architecture was very different from the System/360 and GECOS was more ambitious than DOS/360. GECOS-III supported both time-sharing (TSS) and batch processing, with dynamic allocation of memory (IBM had fixed partitions, at that time), making it a true second-generation operating system.
After Honeywell acquired GE's computer division, GECOS-III was renamed GCOS 3, and the hardware line was renamed to the Honeywell 6000 series, adding the EIS (enhanced instruction set, character oriented instead of word oriented).
The name "GCOS" was extended to the operating systems for all Honeywell-marketed product lines.
GCOS-64, a completely different 32-bit operating system for the Level 64 series, similar to Multics, was designed by Honeywell and Honeywell Bull developers in France and Boston.
GCOS-62, the operating system for another 32-bit low-end line of machines, the Level 62 series, was designed in Italy.
GCOS-61 was the operating system for a new version of a small system made in France (Model 58, later Level 61/58).
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General Comprehensive Operating System AI simulator
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General Comprehensive Operating System
General Comprehensive Operating System (GCOS, /ˈdʒiːkoʊs/; originally GECOS, General Electric Comprehensive Operating Supervisor) is a family of operating systems oriented toward the 36-bit GE-600 series and Honeywell 6000 series mainframe computers.
The original version of GCOS was developed by General Electric beginning in 1962. 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.
The GECOS operating system was developed by General Electric for the 36-bit GE-600 series in 1962–1964; GE released GECOS I (with a prototype 635) in April 1965, GECOS II in November 1965 and GECOS III (with time-sharing) in 1967. It bore a close resemblance architecturally to IBSYS on the IBM 7094 and less to DOS/360 on the IBM System/360. However, the GE 600 Series four processor architecture was very different from the System/360 and GECOS was more ambitious than DOS/360. GECOS-III supported both time-sharing (TSS) and batch processing, with dynamic allocation of memory (IBM had fixed partitions, at that time), making it a true second-generation operating system.
After Honeywell acquired GE's computer division, GECOS-III was renamed GCOS 3, and the hardware line was renamed to the Honeywell 6000 series, adding the EIS (enhanced instruction set, character oriented instead of word oriented).
The name "GCOS" was extended to the operating systems for all Honeywell-marketed product lines.
GCOS-64, a completely different 32-bit operating system for the Level 64 series, similar to Multics, was designed by Honeywell and Honeywell Bull developers in France and Boston.
GCOS-62, the operating system for another 32-bit low-end line of machines, the Level 62 series, was designed in Italy.
GCOS-61 was the operating system for a new version of a small system made in France (Model 58, later Level 61/58).