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From: David Magda <dmagda@ee.ryerson.ca>
Date: Sat, 16 Jul 2005 12:25:07 -0400
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Subject: Re: dangerous situation with shutdown process
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On Jul 16, 2005, at 11:03, Bill Vermillion wrote:

> Actually I saw that documented a very very long time ago in
> an Intel Unix manual.

It's present in more recent documentation. :)

     The sync utility can be called to ensure that all disk writes have 
been
      completed before the processor is halted in a way not suitably 
done by
      reboot(8) or halt(8).

     http://www.freebsd.org/cgi/man.cgi?query=sync&sektion=8