Berkeley Timesharing System
- Berkeley Timesharing System
Infobox OS
name = Berkeley Timesharing System
caption =
developer = University of California, Berkeley
source_model =
kernel_type =
supported_platforms = Scientific Data Systems' SDS 940
ui =
family =
released =
latest_release_version =
latest_release_date =
latest_test_version =
latest_test_date =
marketing_target =
programmed_in =
prog_language =
language = English
updatemodel =
package_manager =
working_state = Historic
license =
website = The Berkeley Timesharing System was a time-sharing operating system for Scientific Data Systems' SDS 940 computer and was designed and implemented between 1964 and 1967 at the University of California, Berkeley as part of Project Genie. It was marketed as the first commercial time-sharing which allowed user programming in machine language. [ [http://www.cs.berkeley.edu/~pattrsn/Arch/prototypes2.html Berkeley Hardware Prototypes ] ]
Except for the memory management, this system was copied directly in the design of the TENEX operating system for the PDP-10 mainframe computer. Some concepts of the operating system also influenced the design of Unix, whose designer Ken Thompson worked on the SDS 940 while at Berkeley. Students who worked on the Berkeley Timesharing System include L. Peter Deutsch, Butler Lampson and Chuck Thacker. [ [http://research.microsoft.com/lampson/Systems.html Butler Lampson - Systems] ]
The QED text editor was first implemented by Butler Lampson and L. Peter Deutsch for the Berkeley Timesharing System in 1967. [ [http://plan9.bell-labs.com/who/dmr/qed.html An incomplete history of the QED Text Editor ] ]
ee also
*Project Genie
*Tymshare
*Timeline of operating systems
Further reading
*A user machine in a time-sharing system. Proc. IEEE 54, 12 (Dec. 1966), pp 1766-1774. Reprinted in Computer Structures, ed. Bell and Newell, McGraw-Hill, 1971, pp 291-300 (with M. Pirtle and W. Lichtenberger). [ [http://research.microsoft.com/lampson/02-UserMachine/WebPage.html A User Machine in a Time-Sharing System] ]
References
External links
* [http://www.coe.berkeley.edu/news-center/publications/forefront/forefront-fall-2007/features/berkeley2019s-piece-of-the-computer-revolution Project Genie: Berkeley’s piece of the computer revolution]
* [http://simh.trailing-edge.com/sds940.html SDS-940 Simulator Configuration]
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