Linux Journal, representing 25+ years of publication, is the original magazine of the global Open Source community.

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

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 ...

Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script. Linux is the most flexible ...

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 ...

The shell is the unsung hero of your Linux experience. Sitting between you and the programs your operating system runs, the shell is a user interface and a programming language rolled into one. One of ...