To check your Red Hat version, check within the /etc/issue file. To find the version, type: $ cat /etc/issue Method 5: Use lsb_release Command LSB stands for Linux Standard Base. The lsb_release ...

First, to use the command line, you have to open up a command tool (also referred to as a “command prompt”). How to do this will depend on which version of Linux you’re running.

Linux offers more than one way to find what you're looking for, including commands like locate, find, and whereis. Knowing when and which command to use can save you time and frustration.