Shutting Down Linux
Use the shutdown command to shut down Red Hat Enterprise Linux or SuSE Linux Enterprise
Server.
The Red Hat Enterprise Linux and SuSE Linux Enterprise Server shutdown command has the
following options:
-h Halts (power off) after shutdown.
Use the PC command at the MP Command menu to manually power on or power off
server hardware, as needed.
-r Reboots after shutdown
-c Cancels an already running shutdown
time When to shut down (required.) You can specify time in any of the following ways:
• Absolute time in the format hh:mm. hh is the hour (one or two digits) and mm is
the minutes (two digits).
• Number of minutes to wait in the format +mm, in which mm is the number of minutes.
• now to immediately shut down; this is equivalent to using +0 to wait zero minutes.
For details, see the shutdown (8) Linux manpage. Also see the Linux manpage for the poweroff
command.
1. From the command line for Red Hat Enterprise Linux or SuSE Linux Enterprise Server, issue the
shutdown command to shut down the operating system.
2. Log in to Linux running on the server you want to shut down.
3. Issue the shutdown command with the desired command-line options, and include the
required time argument to specify when the operating system shutdown is to occur.
For example, shutdown -r +20 shuts down and reboots the server in twenty minutes.
88 Booting and Shutting Down the Operating System
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