Kicking remote user off

> I use kill -9 the shell process they are logged in under. :-)

SIGKILL is non-catchable.

It is a good idea to not use "kill -9" to your users.

For example, some software may backup unsaved files. If you SIGTERM it,
then it won't have a chance.

Jeremy C. Reed
http://bsd.reedmedia.net/