Elevate your scripting game with these must-know Bash variables.

You normally think of a critical section — that is, a piece of a program that excludes other programs from using a resource — as a pretty advanced technique. You certainly don’t often think of them as ...

I have a bash script that mounts my digital camera and then does a bunch of things to the images once the camera is mounted. The problem is that my current script can't tell when the mount fails and ...

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 ...

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 ...

Bash scripting is every Linux administrator’s Swiss Army knife. Learn how using a for-loop in conjunction with Bash scripts can produce powerful results. Bash scripting remains a staple of my ...

Here are some of the more popular bash options to control how scripts work on Linux and how to list the available options, including seeing which ones are turned on. Bash provides a large number of ...