[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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