If you need a quick reference on the basics of Unix, have I got a deal for you. The Unix enthusiast over at freeengineer.org has put together "the basic commands for getting started using the UNIX ...

Master the command line and you'll be able to perform powerful tasks with just a few keystrokes. This cheat sheet will help you remember helpful Linux commands, whether you're new to Linux or ...

FOSSwire has a Unix/Linux Command Cheat Sheet on its website. I remember there was once a thread here with "favorite and useful commands" or some such thing. Anyone want to try and replicate that ...

The cheat command, available for installation on many Linux systems, provides an easy way to make cheat sheets available for hundreds of commands.