File checked by
shutdown if called from
init (ie. when
ctrl-alt-delete is pressed). Unless one of the users specified in it (or root) is logged in on a virtual console, the system will not reboot. This is a
Good Thing, as it prevents
dumbasses rebooting your server.
The file is a list of usernames, one per line. Comments are #ed out. Example:
# Users who are allowed to perform console shutdowns:
alice
bob
bofh