Shutting down other computers using command prompt

Today I'm going to teach you guys how to shut down other's computer or laptop that are on the same network . means that they're on the same wi-fi as you , there are several methods how to do this trick .
1) first of all , you need to open command prompt . Start > All Programs > Accessories > Command Prompt .
if you're to lazy to find it just press your windows button" and "r" simultaneously . a small box will pop out . just fill in "cmd" without " and press enter . there you go

congratulations on completing the first step :p

2)then , type network view at the command prompt . you will find the name of your computer and the others . your computer name will be above the rest . find the name of the computer that you want to shutdown :3

3)and the last one o.O . type
shutdown -s -f  -m //(your target computers name , write it without this ( )) -t 20 -c "LOL"
done :D goodluck :p