Command-line Perl scripts can make adminstering a UNIX box easier by replacing certain commands with some routine scripts. Find out how to take advantage of this approach. Perl is everywhere. Most ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app. The UNIX ping command is a tiny UNIX network tool that allows you to test your network, ...

Terminal provides a command line interface to control the UNIX-based operating system that lurks below macOS (or Mac OS X). Here’s everything you need to know about Terminal, and what it can do for ...

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 ...

Have you ever wanted a quick way to compare two directories (folders), in order to see which files may differ between the two? There are third-party GUI tools as well, but there’s actually a free ...