CentOS Linux 7 (2009) for the x86_64 architecture, derived from the Red Hat Enterprise Linux 7.9 source code, replaces all previously released content for CentOS Linux 7 and therefore we encourage all users to upgrade their machines.
Note that older content, outdated by newer versions of the same applications, is removed from repositories such as Extract / and Plus /, and some older end-of-life content has been discarded.