Windows xp system computer automatic shutdown command

        The Windows XP system auto-shutdown command is controlled by the Shutdown.exe program and is located in the Windows\\System32 folder. If you want Windows XP to do this, you can copy Shutdown.exe to the system directory.
For example, if your computer needs to be shut down at 22:00, you can select “Start → Run” and enter “at 22:00 Shutdown -s”. In this way, the computer shutdown dialog box will appear at 22 o'clock. There is a 30 second countdown and prompts you to save your work. If you want to shut down in a countdown mode, you can type "Shutdown.exe -s -t 3600", which means that it will automatically shut down after 60 minutes, and "3600" means 60 minutes.
After setting the auto power off, if you want to cancel, you can enter "shutdown -a" in the run. In addition, if you enter "shutdown -i", you can open the Set Auto Shutdown dialog box to set the Auto Shutdown.
The parameters of Shutdown.exe, each with a specific purpose, each will produce a different effect.
For example, "-s" means to shut down the local computer, "-a" means to cancel the shutdown operation. The following lists more parameters, you can use it in Shutdown.exe as needed.
-f: Force the application to close
-m:\\\\computer name: control the remote computer
-i: display the graphical user interface, but it must be the first option of Shutdown
-l: Logout current user
-r: Shut down and restart
-t: Time: Set shutdown countdown
-c: "Message content": Enter the message content in the shutdown dialog box (cannot exceed 127 characters) < Br>