Windows Xp shutdown tips and shortcuts

This is one of my favorite tricks, shutting down my Windows XP machine with one simple line of code!
Here is some switches listed below please follow these steps
How to  use these switches
Open command prompt by using WindowsKey + R and type cmd(command)
Then a new command prompt opens
How To Use Shutdown Switches:
Specify Time
shutdown -s -t 60
Shutdown A Remote Computer
shutdown -s -m \\desktop -t 45
Cancel Shutdown
Let’s say that you need to cancel a shutdown in progress. Go to the computer in question, hit Windows Key + R then type command below:
shutdown -a

No Switches	Display information about the shutdown command, same as typing “-?”
-i	Display a GUI. It must be the first switch
-l	Log off the user (This cannot be used on a remote machine: “-m” switch)
-s	Shutdown the computer
-r	Restart the computer
-a	Cancels a system shutdown already in progress
-f	Forces running applications to close without warning
-m \\computername	Instruct a remote computer to shutdown (can be used with the restart & abort switches)
-t xx	Set a given time for shutdown, in seconds
-c “comment”	Shutdown comment (maximum of 127 characters)
-d [u] [p]:xx:yy	The reason code for the shutdown: u is the user code p is a planned shutdown code xx is the major reason code (positive integer less than 256) yy is the minor reason code (positive integer less than 65536)