Bash scripts are powerful, but with power comes great responsibility. It’s very easy for sloppy or poorly-planned code to do real damage, so it’s a good idea to be careful and practice defensive ...

Ever wondered why programming in Bash is so difficult? Bash employs the same constructs as traditional programming languages; however, under the hood, the logic is rather different. The Bourne-Again ...

What happens when you run a Linux command? This simple act can appear straightforward, but many different things can actually occur, depending on whether you’re running an executable program, a shell ...

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 ...

Imagine browsing the Web and having to type the full Uniform Resource Identifier (URI) path each time you visit a Web page—painful. However, since 1993, when browser bookmarks were added to the Mosaic ...