[CentOS] how to show that a filesystem is ACL-enabled?

Toby Bluhm toby.bluhm at alltechmedusa.com
Thu Sep 16 10:17:13 EDT 2010

On 9/16/2010 10:09 AM, Robert P. J. Day wrote:
> On Thu, 16 Sep 2010, Miguel Medalha wrote:
>>>       can someone clarify this?  is there a command that shows whether a
>>> filesystem is currently acl-enabled?  and is the mount man page
>>> simply incomplete in that respect?  thanks.
>> tune2fs -l /dev/[hda1,sda1]
>> The values between [ ] are an example only. Replace, of course, with
>> your own storage device.
>> Look at "Filesystem features" and "Default mount options".
>    ah, excellent, i can see that "default mount options" includes
> "acl", and i'm going to guess that that's a kernel config option
> that's selected on a per-filesystem type basis.  thanks.

I'm not sure what fs mount options are available through kernel config, 
but you can set/unset many fs options/features with tune2fs. Check the 

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