# who
root       console      Jul 14 13:53
# shutdown -g180 -y
 
Shutdown started.    Wed Jul 14 13:55:55 MDT 1999

Broadcast Message from root (console) on earth Wed Jul 14 13:55:56...
The system earth will be shut down in 3 minutes 
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Broadcast Message from root (console) on earth Wed Jul 14 13:58:28...
The system earth will be shut down in 30 seconds
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INIT: New run level: S
The system is coming down for administration.  Please wait.
Unmounting remote filesystems: /vol nfs done.
Jul 14 13:59:15 earth /usr/sbin/vold[376]: problem unmounting /vol;
Print services stopped.
Jul 14 13:59:16 earth syslogd: going down on signal 15
Killing user processes: done.

INIT: SINGLE USER MODE

Type control-d to proceed with normal startup,
(or give root password for system maintenance): xxx
Entering System Maintenance Mode ...
#