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Date:      Tue, 16 Jul 2002 18:01:32 -0400 (EDT)
From:      Garrett Wollman <wollman@lcs.mit.edu>
To:        Dag-Erling Smorgrav <des@ofug.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/usr.bin Makefile src/usr.bin/cd Makefile cd.sh src/usr.bin/command Makefile command.sh
Message-ID:  <200207162201.g6GM1WU8092392@khavrinen.lcs.mit.edu>
In-Reply-To: <xzpd6tn1hpy.fsf@flood.ping.uio.no>
References:  <200207162113.g6GLDBBE081559@freefall.freebsd.org> <xzpd6tn1hpy.fsf@flood.ping.uio.no>

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<<On 16 Jul 2002 23:32:57 +0200, Dag-Erling Smorgrav <des@ofug.org> said:

> Huh?  The "cd" command can not possibly work as an external command,
> it *has* to be a shell builtin since it's supposed to modify the
> shell's wd, and no process can change another process' wd.  What have
> the Austin group been smoking?

Don't blame it on Austin -- this requirement comes direct from
1003.2-1992.  I'm about to commit a revised, generalized
implementation that will save one frag and one inode for each one of
these useless commands.

-GAWollman


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