From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat,  5 Mar 2005 09:43:42 -0500
From: Sam <sah@softcardsystems.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] OT: plan9port question
In-Reply-To: <034101c5213d$ee4ccf20$65ec7d50@kilgore>
Message-ID: <Pine.LNX.4.60.0503050940520.15142@athena>
References: <Pine.GSO.4.58.0503041128070.2164@cps211.cps.cmich.edu>
	<034101c5213d$ee4ccf20$65ec7d50@kilgore>
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>> Linux ls works and $PLAN9/bin/ls also works..
>
> not sure i fully understand this but the shell could be caching
> executable pathnames to avoid the $PATH walk.

... which bash definitely does.

lappie. cat >bin/foo
#!/bin/sh

echo foo
lappie. chmod a+x bin/foo
lappie. foo
foo
lappie. rm bin/foo
lappie. foo
bash: /home/sah/bin/foo: No such file or directory
lappie.