The command-line interface (CLI) is the cornerstone of interacting with the Linux operating system. It allows users to enter commands directly, offering greater control and flexibility compared to ...

Imagine that you want to output multiple lines of text in Bash, or any shell script. Maybe it’s for a help string for a particularly convoluted shell script you’re writing. You could have a separate ...

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 ...

Wicked Cool Shell Scripts: 101 Scripts for Linux, OS X, and Unix Systems by Dave Taylor and Brandon Perry, 2 nd edition, no starch press (2017) is a book that can lift you up a notch in the super Unix ...

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 ...

The shell does far more than run commands. Here’s how Bash expands your input behind the scenes so you can write cleaner, ...

I've been hacking around with some Linux shell scripts for a project that are derived from existing, known good scripts. I'm using Ubuntu on WSL. The original scripts are nested, and a common pattern ...

We've spent the last three columns talking about the basic nuts and bolts of shell script programming, so I think it's time to start digging into a real shell script, and build something interesting ...