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Date:      Tue, 2 Sep 2003 15:40:43 +0200
From:      Daniel Lang <dl@leo.org>
To:        Christopher Nehren <apeiron@comcast.net>
Cc:        Sean Kelly <smkelly@FreeBSD.org>
Subject:   Re: Addition to reboot(8): reboot / halt reasons
Message-ID:  <20030902134043.GB17646@atrbg11.informatik.tu-muenchen.de>
In-Reply-To: <1062507323.2163.6.camel@prophecy.velum>
References:  <1062469541.642.6.camel@prophecy.velum> <20030902043655.GA42977@edgemaster.zombie.org> <1062507323.2163.6.camel@prophecy.velum>
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[-- Attachment #1 --]
Hi,

Christopher Nehren wrote on Tue, Sep 02, 2003 at 08:55:23AM -0400:
> On Tue, 2003-09-02 at 00:36, Sean Kelly wrote:
> > Err.. Wouldn't it just be easier to use the `shutdown` command?
> > I suggest you check `man 8 shutdown` out.
> 
> I'll concede and admit that I should have RTFM'd. But in the same vein,
> if shutdown(8) provides the functionality of halt(8) and reboot(8), why
> do they exist as separate programs? I'm probably missing something here,
> but wouldn't it be easier to just combine shutdown and reboot / halt, as
> reboot and halt already are?

Yes, you are missing something.

shutdown(8) is a sort-of frontend to reboot/halt. It contains
additional functionality and calls /sbin/halt or /sbin/reboot.
So the combination already exists. Further halt(8) and
reboot(8) are the same program, as you can easily verify using
ls -i.

The shutdown(8) frontend adds warning-messages and grace-time
features to reboot/halt. 

HTH,
 Daniel
-- 
IRCnet: Mr-Spock                    - All your .sigs are belong to us -
 Daniel Lang * dl@leo.org * +49 89 289 18532 * http://www.leo.org/~dl/

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