GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

Matisse.net hosts a list of Unix commands unique to Mac OS X/Darwin. You'll find a lot of good stuff in that list that you might not have been aware of. These are ...

Lifehacker reader Michael writes in with a nifty tip that was lurking in our comments all along, but deserves to see the bright light of posting. If you're already using the Unix-like Cygwin, it's an ...