This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
disables the ability to interactively select a new tty. I have also
removed a check for uid == 0 because it gets in the way of using suid
mode based access control. Watch (8)is only runnable by root, so this
does not really change things much.
Closes PR#2131
Submitted-By: adrian@virginia.edu
guys to a watched process. Useful if you're monitoring someone who's
started doing something you'd really like them to stop immediately. :)
Suggested by: Phillip White <philw@megasoft.tic.ab.ca>
