[ih] Origin of 'talk' command

[J. Noel Chiappa]

    > From: Brian Dear <brian at platopeople.com>

    > I've placed PLATO's TERM-talk terminal-to-terminal talking capability
    > to 29 years ago .. but I'm curious if there were other inter-terminal
    > talking facilities up and running prior to that. Most likely candidate
    > I figured was Unix's "talk" command. 

Oh, Unix would be pretty late. You need to check the dates on the ITS one,
and the Multics one - not sure if CTSS had one.

	Noel