Are you a command line maestro (like Captain Command Line at right)? Newbie? Whichever description fits you better, you'll almost certainly learn something interesting at Command-line-fu. This site lets anybody propose their favorite command line tricks, tips, and hacks — and then lets the whole community vote them up or down, and comment on them. If you use the command line every day, as I do, you'll find all sorts of clever and novel things here.For example, one thing I learned is a very fast way to correct a mis-typed command. For instance, suppose I accidentally typed:
