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Date: Sun, 17 Jul 2005 10:33:51 +1000 (EST)
From: Dave Horsfall <dave@horsfall.org>
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Subject: Re: dangerous situation with shutdown process
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On Sat, 16 Jul 2005, Rick Kelly wrote:

> The main reason for sync;sync;sync on V7 UNIX was because you couldn't 
> do a shutdown, only a halt to the hardware monitor, on the PDP11. You
> can verify that behavior with SIMH. :-)

And you weren't supposed to use "sync;sync;sync" but this:

# sync
# sync
# sync

They were *not* the same.

-- Dave