On Sat, 28 Oct 1995, Bert Van Vliet wrote:

Yes, I do know what 'mesg y' does - loosely equivalent to
  chmod g+w, o+w `tty`

AAAAAAAAAAAAARRRRRRRRRRGHH!!!!!!!!  Speak ENGLISH for GOD's SAKE!!!!!  Not
everyone here is fluent in Confunix!!
*pant pant pant*....Okay, I'm relatively sane again...back to our
irregularly scheduled prospams....   ;)

kill -9 'em all, and let /etc/utmp sort them out.

--
mesg y I said!!!!!