(Edit:) Let me start by thanking you, I love these stories about the glory days of computing generations past! I really must try some of these; obviously there are so many fantastic ideas to take.
Irrelevant aside: I've been using emacs 20 years but I very recently gave up and mapped ctrl-V to paste because I still made the mistake of hitting that too often. (I don't hit ctrl-C accidentally, because to select text I've already switched to emacs for at least a few seconds.)
Irrelevant aside: I've been using emacs 20 years but I very recently gave up and mapped ctrl-V to paste because I still made the mistake of hitting that too often. (I don't hit ctrl-C accidentally, because to select text I've already switched to emacs for at least a few seconds.)