One of the nice things about the Amazon Web Services (AWS) environment is that it includes a GUI that's sufficient for performing most administrative tasks. Even so, most administrators eventually ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

If you’ve been using a Mac for any length of time, you know that it’s more than just a pretty point-and-click, window-and-icon interface. Beneath the surface of the operating system is an entire world ...