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 ...

Unix was developed as a command line interface in the early 1970s with a very rich command vocabulary. DOS followed more than a decade later for the IBM PC, and DOS commands migrated to Windows.

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 ...

If you've got a smartphone in your pocket, chances are you've got a digital assistant in there too (or you will very soon). For all her smarts, though, Siri can't help much when you hunker down in ...

ITworld.com – Many systems administrators have run into errors in their syslog files that complain that mail is looping back, suggesting a possible MX problem. The common cause of this problem is that ...