[CentOS] claiming unsused space back

Tue Aug 1 11:31:14 UTC 2017
Johnny Hughes <johnny at centos.org>

On 07/31/2017 05:27 PM, Leroy Tennison wrote:
> As has already been mentioned, some commands (or command options) are only supported on later releases, the man pages don't say this.  Does anyone know of a source of information listing the command, option and version it is implemented in?  That alone would be a great help.
> 
> ----- Original Message -----
> From: "Chris Adams" <linux at cmadams.net>
> To: "centos" <centos at centos.org>
> Sent: Monday, July 31, 2017 11:45:20 AM
> Subject: Re: [CentOS] claiming unsused space back
> 
> Once upon a time, Warren Young <warren at etr-usa.com> said:
>> Zeroing the free space not only prevents inclusion of these discarded FS blocks, they compress better, too.
> 
> Check out the "virt-sparsify" command - it does all of this for you.
> 

Yes .. just run man on the machine in question.  That has the commands
for the man for the version of software installed on that specific machine.

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