↑ “Red Hat and the CentOS Project Join Forces to Speed Open Source Innovation”. Red Hat. 7 tháng 1 năm 2015. Truy cập ngày 8 tháng 1 năm 2014. Red Hat is once again extending its leadership in open source innovation by helping to establish a platform well-suited to the needs of open source developers that integrate technologies in and around the operating system.
↑ CentOS team (22 tháng 9 năm 2012). “CentOS Wiki Frontpage”. Truy cập ngày 31 tháng 8 năm 2016. Each CentOS version is maintained for up to 10 years (by means of security updates -- the duration of the support interval by Red Hat has varied over time with respect to Sources released). A new CentOS version is released approximately every 2 years and each CentOS version is periodically updated (roughly every 6 months) to support newer hardware.
↑ An "Extended Life-cycle Support (ELS) Add-On Subscription" became available for a further 3 years (i.e. until 2015). The corresponding version of RHEL was on extended support until 31 March 2017.
↑ An "Extended Life-cycle Support (ELS) Add-On Subscription" is available for a further 3 years. The corresponding version of RHEL is on extended support until 30 November 2020.
↑ “FedoraLiveCD”. fedoraproject.org. Truy cập ngày 30 tháng 10 năm 2013.
