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 ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

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

Although bat describes itself as a “cat clone,” it isn’t really. You can use the cat command in many ways, but its original ...

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 ...

Most people familiar with information technology or the computer world have at least heard of Linux. For years now, the open-source operating system has been popular among those who prefer it to more ...

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 ...

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 distributions like Ubuntu, Mint or Debian typically have many programs and utilities installed by default you may or may not need for your business. There may come a time when you will need to ...