Difference between revisions of "TOPS-20"

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(Link to Budne's TOPS-20 Evolution.)
m (External links: +Dan Murphy's site, and his TOPS-20 history)
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==External links==
 
==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]
 
* Phil Budne's [https://www.ultimate.com/phil/pdp10/tops-20 TOPS-20 Evolution]
 
* Phil Budne's [https://www.ultimate.com/phil/pdp10/tops-20 TOPS-20 Evolution]
  
 
[[Category: PDP-10 Operating Systems]]
 
[[Category: PDP-10 Operating Systems]]
 
[[Category: DEC Operating Systems]]
 
[[Category: DEC Operating Systems]]

Revision as of 23:33, 21 April 2022


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 CHAOSnet.

Devices

How to get this running

TOPS-20 can run under emulation in SIMH, KLH10, and kx10.

External links