KeyKOS
This article will address KeyKOS, a topic that has gained great relevance in recent times. KeyKOS has captured the attention of experts and the general public due to its impact and relevance in different aspects of society. Throughout history, KeyKOS has been the subject of study and debate, which has generated various interpretations and approaches to this topic. In this sense, it is important to analyze KeyKOS from multiple perspectives in order to understand its scope and impact in various areas. That is why this article is presented, with the aim of providing a comprehensive and updated view on KeyKOS, providing relevant information for the reader interested in delving deeper into this fascinating topic.
| 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 from source code |
| Supported platforms | S/370 mainframe |
| Kernel type | Microkernel |
| Default user interface | Command-line interface |
| Preceded by | GNOSIS |
| Succeeded by | Extremely Reliable Operating System (EROS), CapROS, Coyotos |
| Official website | cap-lore |
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]
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
- ^ The KeyKOS Nanokernel Architecture Archived 2011-06-21 at the Wayback Machine
- ^ "Roots of KeyKOS". Cap-lore.com.
External links
- 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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