halt(1M) manual page
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halt, poweroff - stop the processor
/usr/sbin/halt [
-lnqy ]
/usr/sbin/poweroff [ -lnqy ]
SUNWcsu
halt and poweroff write out any pending information to the disks and then
stop the processor. poweroff will have the machine remove power, if possible.
halt and poweroff normally log the system shutdown to the system log daemon,
syslogd(1M)
, and place a shutdown record in the login accounting file /var/adm/wtmp.
These actions are inhibited if the -n or -q options are present.
- -l
- Suppress sending a message to the system log daemon, syslogd(1M)
, about
who executed halt.
- -n
- Prevent the sync(1M)
before stopping.
- -q
- Quick halt.
No graceful shutdown is attempted.
- -y
- Halt the system, even from a dialup
terminal.
- /var/adm/wtmp
- login accounting file
init(1M)
, reboot(1M)
,
shutdown(1M)
, sync(1M)
, syslogd(1M)
halt does not execute the rc0
scripts as do shutdown(1M)
and init(1M)
.
poweroff is equivalent to init
5.
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