- The Unix Toolbox describes a bunch of useful Linux/Unix/BSD commands to help you use the command line more effectively.
- If you like to have a list of common (and not so common) Linux commands in alphabetical order, then check out O’Reilly’s Alphabetical Directory of Linux Commands.
- Pixelbeat also has a nice list of Linux commands grouped categorically.
- If you’ve just started with Linux, you’d appreciate Linux Newbie Guide’s Linux Shortcuts and Commands.
- Want to really get up to speed on your Unix command vocabulary? You’ll find it hard to beat Learn UNIX in 10 Minutes.
- Want a printable Linux guide? Download Unix/Linux Command Reference, a one paged PDF document that you can print out and stick somewhere near your terminal.
Read through, try out, understand, enjoy and more importantly share!