shutdown command attributes

Shutdown –s
it will shutdown your computer in 30 seconds and display a message

shutdown –s –t 40
it will shutdown in 40 seconds but you can only go up to 86400 (24 hours) but if you make it 0 it will show no message and just shutdown

shutdown –s –c ”haha the computer is going to shutdown”
it will shutdown with a message in a box under the time

shutdown –l
it will just log you of the computer

shutdown -i
it will display the GUI shutdown window

shutdown –r
will restart the computer

shutdown –a
it will abort the shutdown

shutdown –f
will force all running applications to close