Log files on Unix systems can easily grow to hundreds of thousands or even millions of lines. Here's a simple way to pluck out every Nth line. Head and tail are great commands when you want to look ...

Are you someone who never met a Unix command you didn't like? OK, maybe not. But are there commands you just can't imagine living without? Let's look at some that have made a big difference on my ...

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 ...

November 28, 2012 Add as a preferred source on Google Add as a preferred source on Google You are not alone. In fact, I was pretty confused by file permissions for a long time, but it’s actually very ...

Attaching a remote drive or directory on a Windows box is called “drive mapping” though the process is essentially the same as what we call mounting in the Unix world. While I rarely spend any ...

If you use Windows today and type ls, cat, grep, or awk in a terminal, there is a good chance something useful will happen. That was not always true. For most of the history of personal computing, ...