There’s nothing like a command line for when you need to get things done. Here are some resources (maybe repeats from years past?) that can give you an edge when you’re looking for a fast and efficient way to do what you can’t do quite so easily with a GUI.
- commandlinefu.com lets you post your command line commands of choice, and lets others vote on them. Good for if you’re looking for something specific, or if you want some idea of what other people use the command line for, and what they find most useful.
- Pixelbeat‘s Linux Commands – A practical reference. Also, try More Linux Commands – A practical reference for even more CLI goodness.
- For what looks like a pretty newb-friendly introduction to command line, try LinuxCommand.org. Includes a section on shell scripting, which is where a lot of the power of the command line comes to get even more pumped up.