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	Mon, 18 Dec 2000 05:53:22 +0100
From: Cliff Sarginson <cliff@raggedclown.net>
Date: Mon, 18 Dec 2000 05:53:21 +0100
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Cc: Otter <otterr@telocity.com>, Drew Tomlinson <drewt@writeme.com>,
	"FreeBSD Questions (E-mail)" <freebsd-questions@freebsd.org>
To: Tim McMillen <timcm@umich.edu>, Dru <genisis@istar.ca>
References: <Pine.SOL.4.10.10012172112130.3899-100000@frogger.gpcc.itd.umich.edu>
In-Reply-To: <Pine.SOL.4.10.10012172112130.3899-100000@frogger.gpcc.itd.umich.edu>
Subject: Re: Command to Re-Read Paths?
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On Monday 18 December 2000 03:14, Tim McMillen wrote:
> On Sun, 17 Dec 2000, Dru wrote:
> > On Sun, 17 Dec 2000, Otter wrote:
> > > isn't "rehash" just a csh command? or does it work on all shells?
> > > -Otter
> >
> > Yes. But the original poster didn't say he had changed the default
> > csh/tcsh shell for root to something else. If he had just installed
> > software, he did it as root from root's shell  :)
>
> 	And csh (and tcsh) are the only ones that keep the hash table of
> commands.  The others just search through the path.  As I was informed the
> last time I asked about rehash, csh maintains this hash table to make
> command execution slightly more efficient by speeding the finding of the
> executeable.  Other shells don't do this.
>
bash does, it has the "hash" command and usually an alias
of rehash to "hash -r"

Cliff


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