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 ...

B ash scripts are powerful, but with power comes great responsibility. It’s very easy for sloppy or poorly-planned code to do ...

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 ...

Our Linux cheat sheet includes some of the most commonly used commands along with brief explanations and examples of what the commands can do. One of the things you need when building your “chops” on ...

You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we can use ls command options. We can use the -l (long format) option to have ...

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 ...