Steve Nickolas wrote:
Nelson H. F. Beebe wrote:
Some other O/Ses have used Ctrl-Z for that
purpose, presumably
because Z is the final letter of numerous alphabets.
I thought only CP/M and its descendants did that.
Also TOPS-10. And proably other DEC operating systems, but I don't know
much about those. I believe CP/M was inspired by many of the DEC
traditions,