Create a shutdown Icon on desktop.
Double click it and ....System shutdown.
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How to create a shutdown Icon on desktop:
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1. Right-click on your desktop.
2. Click New, Shortcut.
The Create Shortcut Wizard appears.
3. In the Type the Location of the Item box,
type: shutdown -s -t 0
Note: 0(Zero)
4.Click Next.
5. In the Type a Name for This Shortcut box, use a name that will remind you that this button is for a very quick shut down.
6. Click Finish.
You have a new shortcut on your desktop.
from bro utkarsha