How to make an easy auto shutdown in your computer

Do you know how to make an auto shutdown
in your pc by simple run command.
Auto shutdown
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Just go to run (start> run)
Type:
at time shutdown -s
Eg: at 12.50 shutdown -s
The pc will shut down at 12.50
Note: The timing is based on 24h clock.
To abort the shut down
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If we need to abort the shutdown we can
type a different command in the run window.
shutdown -a