4.3BSD-UWisc/man/cat8/halt.8

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HALT(8)             UNIX Programmer's Manual              HALT(8)



NAME
     halt - stop the processor

SYNOPSIS
     /etc/halt [ -n ] [ -q ] [ -y ]

DESCRIPTION
     _H_a_l_t writes out sandbagged information to the disks and then
     stops the processor.  The machine does not reboot, even if
     the auto-reboot switch is set on the console.

     The -n option prevents the sync before stopping.  The -q
     option causes a quick halt, no graceful shutdown is
     attempted.  The -y option is needed if you are trying to
     halt the system from a dialup.

     _H_a_l_t normally logs the shutdown using _s_y_s_l_o_g(8) and places a
     shutdown record in the login accounting file /usr/adm/wtmp.
     These actions are inhibited if the -n or -q options are
     present.

SEE ALSO
     reboot(8), shutdown(8), syslogd(8)

BUGS
     It is very difficult to halt a VAX, as the machine wants to
     then reboot itself.  A rather tight loop suffices.




























Printed 12/27/86          May 24, 1986                          1