Alas, the airport command-line utility is buried deep in the System directory (aka System folder when using OS X’s GUI). But you can create a symbolic link to it using the one-time command below.

The OS X Terminal opens up a world of powerful UNIX utilities and scripts. If you're migrating from Linux, you'll find many familiar commands work the way you expect. But power users often aren't ...

The other feature of Mac OS X that's worth mentioning while we're discussing filesystems is Time Machine – the archive and backup system built straight into OS X 10.5 (Leopard).

Install command line developer tools in OS X Topher Kessler MacFixIt Editor Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008.

We changed from the command line OS to the GUI. The steadiest player has been Microsoft, as the provider of DOS and then the many versions of the Windows OS. But the buzz has long since abated.