is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

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 ...

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 ...

No, I’m not referring to your coworkers fighting over which version of Linux is the best or even what command is most helpful on the command line. Instead, I’m referring to the arguments that you use ...

If you are starting to experiment with the OS X Terminal, you'll want to know what commands are available. Here are some ways to explore your options. Topher, an avid Mac user for the past 15 years, ...