OS X made a big improvement to some of their command line utilities in OS X 10.4 Tiger. CP, MV, TAR, and RSYNC can handle multipart Mac files with no problem. Read on for an awesome way to back up your files.

I spend a lot of time SSHing to various boxes. This handy little script will set the Terminal to a certain color when I start a session and set it back to white when I'm done. There's nothing worse than being on one box and thinking you're on another. Also, this makes the minimized icons colorful.

To see how big all your folders are, launch Terminal and enter du -sh ./*