How to input a command line
I really want to know what version of Linux I have and for that apparently I have to input command line "cat /etc/lsb-release", but where and how?
Often on many distro's you have an application called Terminal....
Often on many distro's you have an application called Terminal.
In Ubuntu you can search for it.
Another way, is the key shortcut: ctrl-alt-f1
And use ctrl-alt-f7 to go back to the GUI.
You can also check this: http://linuxcommand.org/ for a basic command guide.