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 ...

For many users who get started with the command line in Linux, there’s a good chance they’re using Bourne Again Shell, or Bash. Bash is the default shell on Mac OS X, and Windows users can use Bash ...

Your terminal doesn't have to look like a boring block of white-on-black text. Personalizing it so much easier than it seems.

Linux built-ins are commands that are built into the shell, much like shelves that are built into a wall. You won’t find them as stand-alone files the way standard Linux commands are stored in ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

If you've worked in the terminal, it's likely you're in some way proficient with the command history features of your shell. There's a lot more functionality than many realise however, and learning it ...

One of the simplest ways to run a command in the background is by appending an ampersand (&) at the end of the command. This method instructs the shell to execute the command as a separate background ...

Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.