[CentOS] about backup of centos instead of fresh install

Andrei Rolando León Salas wrote:
> Hi, i have a little question but not sure if exist in centos. Theres any
> way to reotre all centos to default? like a goback or a security backup?
> im realtive new with this and want to do a full back up of centos before
> trying to install things. Also i really prefer to run a commands instead
> of do a fresh install of centos. Theres any like this?

The whole system, or just one part? You could do a yum reinstall <whatever>

     mark