Is there a way to check a distro release version if lsb_release isn't available? I think that it's RHEL 4.x, but I need to verify.

RHEL or Red Hat Enterprise Linux is one of the many operating systems provided by Red Hat. Red Hat is a popular Linux OS and has started functioning ever since the mid-1990s. Red Hat earned a good ...

With all the excellent Linux distributions available today, it can be easy to focus exclusively on the few that dominate the headlines, such as Ubuntu Linux, Linux Mint, Fedora, and Mageia Linux, to ...