Knowing how to check the version of CentOS is essential for system administrators and users who want to keep their systems up-to-date and secure. The version of CentOS indicates the release and updates that have been applied to the operating system, and it can be used to determine if there are any outstanding security patches or updates that need to be installed.
There are several ways to check the version of CentOS, including using the command line or graphical user interface (GUI). The most common method is to use the following command in a terminal window: