Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
Whether you're experimenting with Linux or making the switch, you'll need to get your bearings. This Linux cheat sheet runs you through common and helpful commands you'll need to know as you get comfortable with the command line.
Granted, with many modern distributions you won't have much need for the command line, but it's one of the most powerful tools available in the operating system, so you may as well learn to use it if you don't already know how.