shutdown command under Linux shutdown [options] [TIME] [wall]options:--Help for assistance-h shut down the machine-R Restart-C Cancel-K displays only warning messages walltime: two forms:1/hh:mm 24-hour binary2/+m represents M minutes after the option operation now alias to +0represents the immediate execution precision: minute wall: A warning message that is sent to all users on this computer. The shutdown command under Windows shutdown [options] [time]options:-s shut down the machine-R Restart-a Cancel Time:shutdown-s-t -indicates that the options operation is performed after 100 seconds. Accuracy: seconds at at:xxShutdown-s means to perform the options operation at 23:00 hours Accuracy: Minute Note: At is the task dispatch instruction. The following command is executed when the 23:00 is reached shutdown-S
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Shutdown commands under Linux and Windows