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# Linux halt Command [ Linux Command Manual](#) If the system's runlevel is 0 or 6, the Linux halt command shuts down the system. Otherwise, it is replaced by the shutdown command (with the -h parameter). Permissions required: System administrator. ### Syntax halt **Parameter Description**: * -n : Do not write memory data back to the hard disk before shutting down * -w : Does not actually shut down the system, only writes a record to the /var/log/wtmp file * -d : Does not write a record to the /var/log/wtmp file (-n parameter includes -d) -f : Forces shutdown, does not call the shutdown command * -i : Stops all network-related devices before shutting down * -p : Performs a poweroff action when shutting down ### Examples Shut down the system # halt Shut down the system and power off # halt -p Shut down the system without leaving a record # halt -d [ Linux Command Manual](#)