How to shutdown all computers on your school, work or home network

Step 1:

If cmd is banned on the computer your on go to notepad type the following and save it as cmd.bat
@echo.off
Command
Command.com
Pause

Step 2:

Type in echo off, then type shutdown -i
Now a window should pop up click browse and add any computer thats turned on to your list and choose if. Want to give them a 30 sec warning before shutdown or not, then type in a message u want to appear and click ok and your done. Enjoy!