oh, one reason to learn linux in console is that you then can switch distribution and even manage unix systems without much effort, they are quite alike under the hood...
this means if you grasp basics that are taught in the floppix labs you can get by in most of them, just check manuals for the mst comon things like; vi, emacs, ls, rm, ln, ps, mv, chown, chmod, chgrp, kill...

to name one killall in some unixflavours does just that, kills whole system
another quirk was that rm alone in a old version of another OS deleted everything in the system in a blink (was RAPIDLY changed) , there are a few other such things.