Genre: Operating systems
CentOS is an enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American supplier of Enterprise Linux. CentOS is fully compliant with the policy of redistribution of upstream suppliers and aims to be 100% binary compatible. (CentOS mainly changes packages to remove the image of the upstream supplier and illustrations.)
CentOS has numerous advantages over some other clone projects including: an active community of users and growing, quickly rebuilt, tested and QA'ed errata packages, an extensive mirror network, developers who are contactable and responsive, multiple channels, including free support IRC chat, mailing lists, forums, a dynamic FAQ. Commercial support is offered by a number of suppliers.