KeyKOS

KeyKOS is a persistent, pure capability-based operating system for the IBM S/370 mainframe computers. It allows emulating the environments of VM, MVS, and Portable Operating System Interface (POSIX). It is a predecessor of the Extremely Reliable Operating System (EROS), and its successor operating systems, CapROS, and Coyotos. KeyKOS is a nanokernel-based operating system.[1]

KeyKOS
DeveloperTymshare (Norm Hardy, Bill Frantz, Charlie Landau)
McDonnell Douglas
Key Logic
Written inC
OS familyCapability-based
Working stateDiscontinued
Initial release1977 (1977)
Latest releaseFinal / 1988 (1988)
Marketing targetResearch
Available inEnglish
Update methodCompile from source code
PlatformsS/370 mainframe
Kernel typeMicrokernel
Default
user interface		Command-line interface
Preceded byGNOSIS
Succeeded byExtremely Reliable Operating System (EROS), CapROS, Coyotos
Official websitecap-lore.com/CapTheory/KK

In the mid-1970s, development of KeyKOS began at Tymshare, Inc., under the name GNOSIS. In 1984, McDonnell Douglas (MD) bought Tymshare. A year later MD spun off Key Logic, which bought GNOSIS and renamed it KeyKOS.[2]

References
  1. The KeyKOS Nanokernel Architecture Archived 2011-06-21 at the Wayback Machine
  2. "Roots of KeyKOS". Cap-lore.com.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.