Centos shutdown command line

The CentOS shutdown command is shutdown, and the syntax is shutdown [Options] Time [Information]. Options include: -h Stop the system immediately; -P Turn off the power after shutdown; -r restart; -t Waiting time. Time can be specified as now, minutes, or a specific time (hh:mm). Added information can be displayed in system messages.

CentOS shutdown command line

In CentOS systems, shutdown command can be used to shut down. Here is its syntax:

 <code class="bash">shutdown [选项] 时间[信息]</code>

Options:

Options	describe
-h	Stop the system to run level halt immediately.
-P	Turn off the power after shutdown (only if the system supports it).
-r	Restart the system.
-t	Specifies the time (in seconds) to wait before shutdown.

time:

You can specify the time using the following format:

• now : Turn off the power immediately.
• minutes : Turn off after the specified number of minutes (for example, 5 means shutdown after 5 minutes).
• hh:mm : Turn off at the specified time (24-hour time, for example, 13:30 means shutdown at 1:30 pm).

information:

This parameter is used for the information displayed in the system message.

Example:

• Turn off the power immediately:

 <code class="bash">shutdown now</code>

• Turn off after 5 minutes:

 <code class="bash">shutdown 5</code>

• Restart at 1:30 pm:

 <code class="bash">shutdown -r 13:30</code>

• Turn off the power and turn off the power:

 <code class="bash">shutdown -P now</code>

• Shut down and display the message "maintenance":

 <code class="bash">shutdown -h now "Maintenance in progress"</code>

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