TOPS-20: Difference between revisions

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Link to Budne's TOPS-20 Evolution.
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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]
*[https://www.sky-visions.com/dec/tops20.shtml Running TOPS-20 V3A and V7.1 under SIMH]
==External links==
* 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 08:12, 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