TOPS-20
From Computer History Wiki
| 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
- TECO, TENEX, and TOPS-20 Papers - from Dan Murphy, includes assorted memorabilia such as images
- Phil Budne's TOPS-20 Evolution
