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 ...

The --version (-V) option goes hand-in-hand with --help because it helps you find out about the program, and it’s usually supported where --help is. Traditionally, the --version option prints the ...

If you're new to Linux and the terminal, I can appreciate how difficult it is to learn. Learning Linux was not an easy task.

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 ...

In the world of Linux, the sort command is a powerful tool that enables you to efficiently sort and organize data in various ways. Whether you're dealing with simple text files or complex datasets, ...

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 ...

Linux offers a couple of easy ways to record commands you type so that you can review or rerun them. Recording the commands that you run on the Linux command line can be useful for two important ...

For most of us who didn’t do well in high school English class, spell checkers are a real game-changer. Sure, you can still swap a “to” and a “too,” but a spell checker will catch a lot of typos. But ...

Linux 101: How to execute commands from within the nano text editor Your email has been sent If nano is your Linux editor of choice, and you want to make it a bit more flexible, Jack Wallen is ready ...

What superpowers? eBPF gives you the power to run programs in the Linux kernel without changing the kernel source code or adding additional modules. In effect, it acts as a lightweight (VM) inside the ...