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Some of you may know that if two people are logged onto the same unix computer,
then they can send messages to each other using the "write" command. If you
don't like all these messages, you can switch off this capability using the
"mesg n" command.
What I just found out is that this "mesg n" is purely an advisory state, and
that "write" simply checks to see if a user wishes to receive messages, and only
sends them if he/she wants them.
But you can easily override this. Type "who" and you get stuff like
stephen pts/14 Aug 5 08:58 (xxxxxxxxxxx)
mxxx pts/9 Aug 1 09:07 (xxxxxxxxxxx)
You want to write to mxxx? Just type
echo How are you doing > /dev/pts/9
If you really want to mess him/her up, type
ls -lR / > /dev/pts/9
--
Stephen Montgomery-Smith
EMAIL:PROTECTED
http://www.math.missouri.edu/~stephen
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