# who
kryten     console      Jun 10 14:22
rimmer     pts/1        Jun 10 14:23    (starbug)
pmorph     pts/2        Jun 10 14:24    (bluemidget)
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# shutdown -i0 -g300 -y
Shutdown started.    Wed Jun 10 14:30:32 MDT 1998
Broadcast Message from root (console) on pluto Wed Jun 10 14:30:32...
The system will be shut down in 5 minutes
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INIT: New run level: 0
The system is coming down.  Please wait.
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The system is down.
syncing file systems... [11] [9] [5] done
Program terminated
Type  help  for more information
ok