AWK is a pattern-scanning and processing language that searches one or more files for records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing ...

If you don't think Linux skills are relevant, consider this: Linux system basics power Android devices, servicing half the world's smartphones and tablets. It's also the OS of choice for many of the ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

Before delving into advanced techniques, you should familiarize yourself with the command line or Terminal, Linux's powerful tool. Here, you can perform tasks by typing a sequence of commands. While ...

One of the things that makes Linux and Unix-like systems both powerful and frustrating is that there are many ways to accomplish any particular goal. Take something simple like running a bunch of ...

OverTheWire is a collection of web-based games that challenge you to perform tasks. One of the best things about the OverTheWire games is that they teach you how to solve problems on your own and do ...

Much to the chagrin of those who would like to malign the Linux operating system, it's actually quite easy to use. Thanks to modern GUI desktop environments and applications, anyone can jump into the ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...