Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...

How to Set Temporary Environment Variables in Linux (+Video Tutorial) Your email has been sent In Jack Wallen's tutorial for developers, he show how easy it is to set temporary environment variables ...

Do you think of the command line as an antiquated leftover from the past, or an old fashioned way of interacting with a computer? Think again. In Linux, the command line remains the most flexible and ...

Setting up the most useful aliases on Linux is a mix of what's otherwise annoying to enter, hard to remember or typed way too often. Used frequently, bash aliases can make working on the Linux command ...

The Linux command line is a text interface to your computer. Also known as shell, terminal, console, command prompts and many others, is a computer program intended to interpret commands. Allows users ...

The command line isn't required when using Linux. To truly maximize your Linux experience, you should still learn it. Some commands are more useful than others. Before we begin, I want to be clear: ...

How to Create Users and Groups in Linux from the Command Line Your email has been sent Here's a quick guide to adding users and groups, and then how to add users to groups, all from the command line ...