What are the win7 timing shutdown commands? how to use?

first understand the shutdown command shutdown. Let's click on the “Start” menu in the lower left corner, enter the “ldd; cmd” command in the pop-up search box, and press Enter:
Open the DOS command window and enter the command “shutdown /?”:
Press Enter, we can find a detailed explanation of the shutdown command:

Among them, our commonly used parameters are: -s: Shutdown command. Adding this parameter after shutdown is to implement the shutdown operation. If there are no other parameters, the default is to shut down after 30 seconds; -r: restart command. Adding this parameter after shutdown is to restart the computer; -t: set the time. This parameter specifies the time in seconds for the shutdown operation. -a: Cancel the command. This command is added directly to the shutdown command. The function is to cancel the operation specified in the shutdown command.

Example explanation: for example the command shutdown -s -t 60:

means is turned off after 60 seconds. After executing this command, the system will pop up the countdown window of the shutdown:
If we want to cancel the shutdown at this time, you can use the command “shutdown -a”: