Difference between revisions of "TOPS-20"
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{{Infobox OS | {{Infobox OS | ||
| name = TOPS-20 | | name = TOPS-20 | ||
| + | | creator = [[DEC]] | ||
| + | | year introduced = 1976 | ||
| + | | type = Multi-tasking, multi-user, virtual memory | ||
| architecture = [[PDP-10]] | | architecture = [[PDP-10]] | ||
}} | }} | ||
| + | |||
'''TOPS-20''' is an [[operating system]] for the [[PDP-10]], [[DECSYSTEM-20]]. It was descended from [[TENEX]], an operating system for a modified version of the earlier [[KA10]] PDP-10; hence its nickname of '''TWENEX'''. | '''TOPS-20''' is an [[operating system]] for the [[PDP-10]], [[DECSYSTEM-20]]. It was descended from [[TENEX]], an operating system for a modified version of the earlier [[KA10]] PDP-10; hence its nickname of '''TWENEX'''. | ||
| Line 10: | Line 14: | ||
==Networking== | ==Networking== | ||
| − | TOPS-20 can work with DECnet and with TCP/IP. | + | TOPS-20 can work with [[DECnet]] and with [[TCP/IP]]. It was a popular machine on the [[Internet]] during its early days (1980s). |
| − | MIT added support for [[ | + | MIT added support for [[Chaosnet|Chaos]]. |
==Devices== | ==Devices== | ||
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*[[Running TOPS-20 V4.1 under SIMH]] | *[[Running TOPS-20 V4.1 under SIMH]] | ||
| + | *[https://www.sky-visions.com/dec/tops20.shtml Running TOPS-20 V3A and V7.1 under SIMH] | ||
| + | |||
| + | ==External links== | ||
| + | |||
| + | * [https://opost.com/tenex/ TECO, TENEX, and TOPS-20 Papers] - from Dan Murphy, includes assorted memorabilia such as images | ||
| + | ** [https://opost.com/tenex/hbook.html Origins and Development of TOPS-20] | ||
| + | * [https://ieeexplore.ieee.org/document/7057591 TENEX and TOPS-20] - recent update of the above | ||
| + | * Phil Budne's [https://www.ultimate.com/phil/pdp10/tops-20 TOPS-20 Evolution] | ||
| + | * [https://www.inwap.com/pdp10/tops-history.txt The History of TOPS, or Life in the Fast AC's] | ||
| − | [[Category:PDP-10 Operating Systems]] | + | [[Category: PDP-10 Operating Systems]] |
| + | [[Category: DEC Operating Systems]] | ||
Latest revision as of 17:30, 28 June 2024
| TOPS-20 | |
| Type: | Multi-tasking, multi-user, virtual memory |
|---|---|
| Creator: | DEC |
| Architecture: | PDP-10 |
| Date Released: | 1976 |
TOPS-20 is an operating system for the PDP-10, DECSYSTEM-20. It was descended from TENEX, an operating system for a modified version of the earlier KA10 PDP-10; hence its nickname of TWENEX.
Basic Use
Networking
TOPS-20 can work with DECnet and with TCP/IP. It was a popular machine on the Internet during its early days (1980s).
MIT added support for Chaos.
Devices
How to get this running
TOPS-20 can run under emulation in SIMH, KLH10, and kx10.
External links
- TECO, TENEX, and TOPS-20 Papers - from Dan Murphy, includes assorted memorabilia such as images
- TENEX and TOPS-20 - recent update of the above
- Phil Budne's TOPS-20 Evolution
- The History of TOPS, or Life in the Fast AC's
