From: Robert Klemme <shortcutter@...>
Date: 2009-11-12T21:03:43+09:00
Subject: Re: Is it a bug?exec "cd"

2009/11/12 OZAWA Sakuro <sakuro@2238club.org>:
> See the last section of the document below to know why external 'cd' exists.
>
> http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap01.html
>
> A very rare use of it is to test if a directory can be chdir-able.

Also

http://www.opengroup.org/onlinepubs/009695399/utilities/cd.html#tag_04_15_16

Cheers

robert

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