Checking the version of Red Hat Enterprise Linux (RHEL) is crucial for system administration. It provides information about the specific release, build, and kernel version of the operating system installed on a machine. This information is essential for various tasks, including software compatibility checks, security updates, and troubleshooting.
There are several ways to check the RHEL version. One common method is to use the `cat` command to display the contents of the `/etc/redhat-release` file. This file contains information about the RHEL version, such as the release name, version number, and build date. For example: