KeyKOS
| Developer | Tymshare(Norm Hardy, Bill Frantz, Charlie Landau) McDonnell Douglas Key Logic |
|---|---|
| Written in | C |
| OS family | Capability-based |
| Working state | Discontinued |
| Initial release | 1977 |
| Latest release | Final / 1988 |
| Marketing target | Research |
| Available in | English |
| Update method | Compile fromsource code |
| Platforms | S/370mainframe |
| Kerneltype | Microkernel |
| Default user interface | Command-line interface |
| Preceded by | GNOSIS |
| Succeeded by | Extremely Reliable Operating System(EROS),CapROS,Coyotos |
| Official website | cap-lore |
KeyKOSis apersistent,purecapability-basedoperating systemfor theIBMS/370mainframecomputers.It allowsemulatingthe environments ofVM,MVS,and Portable Operating System Interface (POSIX). It is a predecessor of theExtremely Reliable Operating System(EROS), and its successoroperating systems,CapROS,and Coyotos. KeyKOS is ananokernel-based operating system.[1]
In the mid-1970s, development of KeyKOS began atTymshare,Inc., under the nameGNOSIS.In 1984,McDonnell Douglas(MD) bought Tymshare. A year later MD spun off Key Logic, which bought GNOSIS and renamed itKeyKOS.[2]
References
[edit]- ^The KeyKOS Nanokernel ArchitectureArchived2011-06-21 at theWayback Machine
- ^"Roots of KeyKOS".Cap-lore.
External links
[edit]- Official website,Norman Hardy
- GNOSIS: A Prototype Operating System for the 1990s,a 1979 paper, Tymshare Inc.
- KeyKOS - A Secure, High-Performance Environment for S/370,a 1988 paper, Key Logic, Inc.
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