Terminal is the Mac OS X command line tool that gives you access to unbridled destructive power (i.e., step carefully). You’ll find it in Applications / Utilities. If you are brand new to Terminal, here’s a very gentle intro.

If you use Terminal on a regular basis, take some time to dig into Craig Hockenberry’s fantastic Terminal tricks blog post. Some of these you’ll know, but some will likely be new to you. It’s deep, it’s long, and so well written. Pass this one along to your tech friends. [via iOS Dev Weekly]