How to create One-Click Shutdown icon on your desktop?
You can shutdown your computer with a single click on the
desktop shutdown icon. You can set the time
when your computer starts the shutdown process. A simple click on
shutdown icon, close the all running applications and start shutting
down properly after predefined time. This tip is very useful to save
energy and time. After the execution of this command, a small window
will appear to start count time of system shutdown.
Follow
the given steps to create the shutdown icon:
To create
a new shortcut, right click on any empty area of your desktop and go to
New then Shortcut.

Now a small windows dialog box will appear with the title
"Create Windows". In the "Create Shortcut" window, type the
following command.
SHUTDOWN -s -t 30

Here t 30
mean time in second, for example if you want your computer will shutdown
automatically after half minute then the command will be shutdown -s -t
30.
Click
Next button to type the name of this shortcut and press Finish to close
it.