A
*nix command usually found in
/usr/sbin/ that allows a
privileged user to change
system state.
The
syntax is:
shutdown -what when message
`what' is usually h (for
halt) or r (for
reboot) and when is a number of
minutes. The message is
printed to every
system console before it activates.
Examples:
shutdown -h now prepares the system for power off instantly.
shutdown -r 20 Rebooting at 5pm will reboot the computer 20
minutes later and
display the
message on
everybody's
screen.