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 ...

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.

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 ...

Many Java applications started from the command line take arguments to control their behavior. These arguments are available in the string array argument passed into the application’s static main() ...

Here’s a quick guide to adding users and groups, and then how to add users to groups, all from the command line on the Linux platform. If you administer a Linux server, you likely will have to create ...