halt man page on DigitalUNIX

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halt(8)								       halt(8)

NAME
       halt - Stops the processor

SYNOPSIS
       /usr/sbin/halt [-d] [-l] [-n] [-q] [-y]

OPTIONS
       Generates  a  crash  dump of the system before halting it.  Can be used
       with any other option.  Does not log the halt using  syslog.   Prevents
       the  sync  before  stopping,  and  does	not log the halt using syslog.
       Causes a quick halt, does not log the halt using syslog, and  makes  no
       attempt	to kill all processes.	Halts the system from a dial-up opera‐
       tion.

DESCRIPTION
       If other users are logged into the system, or if the system is  operat‐
       ing  at a multiuser run level, use the /usr/sbin/shutdown -h command to
       halt the system.	 If only the root user is logged in, and  you  do  not
       plan to restart the system immediately, use the halt command.

       The  halt  command  writes data to the disks and then stops the proces‐
       sor(s), but does not reboot the machine.

       You must be the root user to run this command.

       When the system displays the message, you can turn  off	power  to  the
       machine.

       If  the	command	 is invoked without the -l, -n, or -q option, the halt
       program logs the shutdown using the syslogd command and places a record
       of the shutdown in the login accounting file, /var/adm/wtmp.  Using the
       -q and the -n options imply the -l option.

EXAMPLES
       To halt the system without logging the shutdown in the log file, enter:
       halt  -l	 To halt the system quickly, enter: halt -q To halt the system
       quickly, also leaving a crash dump for  the  savecore  command,	enter:
       halt -d -q To halt the system from a dial-up, enter: halt -y

FILES
       Specifies  the  command	path.  Specifies the syslog daemon.  Specifies
       the login accounting file.

SEE ALSO
       Commands: fasthalt(8), reboot(8), savecore(8), shutdown(8), syslogd(8)

       Functions: reboot(2), sync(2), syslog(3)

								       halt(8)
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