CentOS haven't even got around to releasing 6.1 yet! The CentOS 6.0 release was delayed by 242 days(!) Numbers are here: https://en.wikipedia.org/wiki/CentOS#R

CentOS haven't even got around to releasing 6.1 yet! The CentOS 6.0 release was delayed by 242 days(!) Numbers are here: https://en.wikipedia.org/wiki/CentOS#Release_history https://en.wikipedia.org/wiki/CentOS#Release_history Scientific Linux 6.1 on the other hand was released in July.