Linux, known for its robustness and flexibility, has been a favorite among developers, system administrators, and technology enthusiasts. One of the pillars of Linux's capabilities is its inherent ...

This post follows up on Part 1 by examining the many ways that you can test the value of variables – e.g., whether they equal particular strings like “yes” or “no”, if they have a numeric value, if ...

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

Do you want to create a Shell script in your Linux system? This guide will take you through how to create a shell script using multiple text editors, how to add comments, and how to use Shell ...

Skip one-click backup apps. This rsync script gives you full control over what gets saved and when, plus logs and a few hard-won lessons.

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells and systems. Where echo often fails with escape sequences, printf handles ...

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 ...

Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script. Image: dennizn/Adobe Stock ...