The output will be what you expect, it will echo Hello World onto the screen. You can also use echo to view the contents of a variable: As with most Linux commands, there's definitely more that we can ...

Linux might sound scary for first-time Linux users, but actually, it isn’t. Linux is a bunch of open-source Unix operating systems based on Linux Kernel. These operating systems are called Linux ...

Here are some warm-up exercises for anyone just starting to use the Linux command line. Warning: It can be addictive. If you’re new to Linux or have simply never bothered to explore the command line, ...

Linux tricks can help you get work done faster, especially when they're easy. Here are some ways to find files, reuse prior commands, stop processes and more. In this post, we’ll take a look at a ...

The commands below include basic Unix commands such as ls, cat, cp, mv, grep, etc. We will also talk about some of the shortcuts that can help you take control of your operating system faster and in a ...

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 ...