Hi all :-) This is my first post: I'm coming from debian/bsd world. A question about repositories: minimal installation (version 7) provides: CentOS-Base.repo CentOS-CR.repo CentOS-Debuginfo.repo CentOS-fasttrack.repo CentOS-Sources.repo CentOS-Vault.repo I known there are others repositories as: RPMForge, EPEL, REMI, ATrpms, Webtatic (and maybe also others) so, what kind of these repositories are? Does they repositories substitute packages from main? Or only adding new packages? thanks for advices and help! Pol