HALT(8) Maintenance Commands and Procedures HALT(8)

NAME

halt, poweroff - stop the processor

SYNOPSIS

/usr/sbin/halt [-dlnqy]


/usr/sbin/poweroff [-dlnqy]

DESCRIPTION

The halt and poweroff utilities write any pending information to the
disks and then stop the processor. The poweroff utility has the
machine remove power, if possible.


The halt and poweroff utilities normally log the system shutdown to
the system log daemon, syslogd(8), and place a shutdown record in the
login accounting file /var/adm/wtmpx. These actions are inhibited if
the -n or -q options are present.

OPTIONS

The following options are supported:

-d
Force a system crash dump before rebooting. See dumpadm(8) for
information on configuring system crash dumps.


-l
Suppress sending a message to the system log daemon,
syslogd(8), about who executed halt.


-n
Prevent the sync(8) before stopping.


-q
Quick halt. No graceful shutdown is attempted.


-y
This option is ignored for backwards compatibility.

FILES

/var/adm/wtmpx
History of user access and administration
information.

SEE ALSO

inittab(5), attributes(7), smf(7), dumpadm(8), init(8), reboot(8),
shutdown(8), sync(8), syslogd(8)

NOTES

The halt and poweroff utilities do not cleanly shutdown smf(7)
services. Execute the scripts in /etc/rcnum.d or execute shutdown
actions in inittab(5). To ensure a complete shutdown of system
services, use shutdown(8) or init(8) to reboot a Solaris system.

July 26, 2013 HALT(8)