If you are installing from scratch, then we hope that you are able to determine what you are actually installing. If you can't, then we have some issues we need to resolve before the installation. Often though, you may be faced with a machine that is preinstalled or a lab machine that you may have access to. An obvious first step to any faultfinding task will be to determine the actual OS and patch level that we will work on. We will now look at the many ways that exist to determine the flavor of Linux that you will use.
/etc/system-release file is consistent across all Red Hat variants that we have discussed here. This can be simply read with the
cat command, short for ...