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Re:SDF Public Access Unix System by feelin_googley on Sunday August 06, 2017 @02:19PM (#14942581)
Favorite part of SDF was/is TWENEX/Tops-20.

More on TENEX/Tops-20 from author of TECO: http://tenex.opost.com/hbook.html

Decades later, TECO still available for a variety of OS. Compiles cleanly, at least on BSD.

http://github.com/blakemcbride/TECOC

http://web.archive.org/web/20160321191408/http://tilt.twenex... http://wiki.twenex.org/ http://web.archive.org/web/20161031045254/http://www.twenex....

Re:SDF Public Access Unix System by cicero on Sunday August 06, 2017 @04:20PM (#14943271)
I played with TECO on Unix for a while many years ago as well as a similar character editor (I think it was called SPEED) on the Data General MV8000 Eagle at Texas A&M. Editing with those editors is like solving a puzzle. It was fun, but I always moved back to a screen editor to be more productive. However, I imagine on a slow Teletype, TECO was a good way to go because it is so terse.