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Date: Wed, 4 Apr 2007 15:11:21 +0400
From: "Andrew Pantyukhin" <infofarmer@FreeBSD.org>
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To: VeeJay <maanjee@gmail.com>
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Cc: FreeBSD-Questions <freebsd-questions@freebsd.org>
Subject: Re: Help! User Permission
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On 4/4/07, VeeJay <maanjee@gmail.com> wrote:
> Hello friends
>
> How can I restrict a user from getting in to an "Unauthorized folder" and
> getting directory list with using "ls" command?
>
> If he tries to cd to the unauthorized folder or tries to get directory
> listing so he gets "Permission denied" message?

"chmod a-rwx folder" to deny all access to everybody,
then "chmod u+rwx folder" and "chown gooduser folder"
to permit a good user (and only him) to access it.

For fine-tuned denials, I guess you should read about
access lists.