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Date:      Sun, 3 Dec 1995 13:59:36 -0700
From:      Nate Williams <nate@rocky.sri.MT.net>
To:        John Goerzen <jgoerzen@complete.org>
Cc:        Michael Jamet <mjamet@panix.com>, wlclarke@cats.ucsc.edu, FreeBSD-Questions@FreeBSD.org
Subject:   Re: USR modem setup [ How to setup auto answer ]
Message-ID:  <199512032059.NAA01050@rocky.sri.MT.net>
In-Reply-To: <Pine.BSF.3.91.951202220540.4729D-100000@complete.org>
References:  <Pine.SUN.3.91.951201141300.14482C-100000@panix2.panix.com> <Pine.BSF.3.91.951202220540.4729D-100000@complete.org>

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John Goerzen writes:
> > PS How do you ctl-alt-del from FreeBSD?
> 
> NEVER, NEVER, NEVER use ctrl-alt-del from within any OS other than DOS.  
> That includes FreeBSD.  NEVER use ctrl-alt-del from within FreeBSD.
> 
> To reboot, login as root and type:
> 
> shutdown -r now
> 
> Rebooting with ctrl-alt-del can corrupt your filesystems and cause data 
> loss.  Sorry for yelling, but this is a very important point.

BZZT.  Thanks for playing, but you're wrong.  <CTL><ALT><DEL> means
nothing to *any* OS unless the OS allows does something special with
that sequence of keys.  In FreeBSD, it used to mean absolutely nothing
until I added the ability for it to reboot the system in the same manner
as people were used to under DOS/Windows.

When you press <CTL><ALT><DEL> in FreeBSD you are basically doing the
same thing as a 'shutdown -h now'.

No disk corruption, no data loss.  Now, whether or not you think it's a
good thing to have is up to you, but you can safely do it under FreeBSD.

However, you can't do it inside of X unless you patch the X-Server to
pass the keystrokes to the kernel, which is actually a pretty trivial
patch, but it isn't done by default.

Read the man pages on syscons, kbdmap, and kbdcontrol for more information.



Nate



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