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1.5. Shutting Down
To shut down Red Hat Enterprise Linux, the root user may issue the
shutdownman page has a complete list of options, but the two most common uses are:
/sbin/shutdown -h now
/sbin/shutdown -r now
After shutting everything down, the
-hoption halts the machine, and the
PAM console users can use the
haltcommands to shut down the system while in runlevels 1 through 5. For more information about PAM console users, refer to Section 16.7, “PAM and Device Ownership”.
If the computer does not power itself down, be careful not to turn off the computer until a message appears indicating that the system is halted.
Failure to wait for this message can mean that not all the hard drive partitions are unmounted, which can lead to file system corruption.