> How was it a success story? Sure many used it, but the project wasn’t successful in terms of long term survival. CentOS 3, 4, 5, 6 and now 7 have all fulfil

> How was it a success story? Sure many used it, but the project wasn’t successful in terms of long term survival. CentOS 3, 4, 5, 6 and now 7 have all fulfilled their mission to be bit-clones of RHEL since 2004. As a CentOS user of every single one of them, they were a success and satisfied the needs of the community for 17 years. The first version of Ubuntu was released 6 months after CentOS 3.