Difference between revisions of "CAL Time-Sharing System"
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| − | The '''CAL Time-Sharing System''' (usually given as '''CAL-TSS''') was an unsuccessful [[time-sharing]] [[operating system]] for the [[CDC 6400]], written by a team at the Campus Computer Center at the University of California, Berkeley. | + | The '''CAL Time-Sharing System''' (usually given as '''CAL-TSS''') was an unsuccessful [[time-sharing]] [[operating system]] for the [[CDC 6400]], written by a team at the Campus Computer Center at the University of California, Berkeley. (It was contemporaneous with the [[Berkeley Computer Corporation]] project, but other than [[Butler Lampson]], there was no cross-over between the two.) |
| − | Design commenced in June 1968; implementation began in December 1968, and a prototype version of the system was running in July 1969. By October 1969 the system was self-supporting. The project was cancelled in November 1971, when funding was terminated | + | Design commenced in June 1968; implementation began in December 1968, and a prototype version of the system was running in July 1969. By October 1969 the system was self-supporting. The project was cancelled in November 1971, when funding was terminated. One of the two 6400's bought by Berkeley remained on campus, and in use, until the second half of 1982, but it ran a Berkeley variant of the usual [[Control Data Corporation|CDC]] OS, [[SCOPE]]. |
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* [http://www.bitsavers.org/pdf/xerox/parc/techReports/CSL-74-1_A_Postmortem_for_a_Timesharing_System.pdf A Postmortem for a Time Sharing System] | * [http://www.bitsavers.org/pdf/xerox/parc/techReports/CSL-74-1_A_Postmortem_for_a_Timesharing_System.pdf A Postmortem for a Time Sharing System] | ||
* [http://bwlampson.site/15-ReflectionsOnOS/Acrobat.pdf Reflections on an Operating System Design] | * [http://bwlampson.site/15-ReflectionsOnOS/Acrobat.pdf Reflections on an Operating System Design] | ||
| + | * [https://ieeexplore.ieee.org/document/10143281 History of the CAL Timesharing System] | ||
[[Category: Operating Systems]] | [[Category: Operating Systems]] | ||
Latest revision as of 00:56, 10 January 2024
The CAL Time-Sharing System (usually given as CAL-TSS) was an unsuccessful time-sharing operating system for the CDC 6400, written by a team at the Campus Computer Center at the University of California, Berkeley. (It was contemporaneous with the Berkeley Computer Corporation project, but other than Butler Lampson, there was no cross-over between the two.)
Design commenced in June 1968; implementation began in December 1968, and a prototype version of the system was running in July 1969. By October 1969 the system was self-supporting. The project was cancelled in November 1971, when funding was terminated. One of the two 6400's bought by Berkeley remained on campus, and in use, until the second half of 1982, but it ran a Berkeley variant of the usual CDC OS, SCOPE.
External links
- Cal TSS Archive
- History of the Cal Timesharing System - technical and organizational history
- An Overview of the CAL Time-Sharing System
- J. Gray, B. Lampson, B. Lindsay, H. Sturgis, The Control Structure of an Operating System
- A Postmortem for a Time Sharing System
- Reflections on an Operating System Design
- History of the CAL Timesharing System
