Auto Shutdown Without Any Software

This is a cool post for u to shut down ur windows or restart it automatically
U need not install any software for it
Here is the procedure

Go to Start
Click Run
Type as below to shutdown at 6 O clock in the morning i.e. 6 am i.e. 06:00
at 06:00 shutdown -s
the timing u give here should be of 24 hours clock
for example if u want to shutdown at 8 in the night i.e 20:00 as in 24 hour's clock
at 03:14 shutdown -s