To determine the version of Red Hat Enterprise Linux (RHEL) you are running, you can use the following command:
cat /etc/redhat-release
This will display the version number of RHEL that is currently installed on your system. If you need more detailed information about your system, you can use the following command:
lsb_release -a
This will display information about the operating system, including the version of RHEL, the release codename, and other details.
You can also use the following command to display the version and release number of your RHEL system:
cat /proc/version
This will display information about the kernel version, including the version of RHEL that the kernel was built for.