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 ...

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 ...

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 ...

Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...

At times, we need to write shell scripts that are interactive and user executing them need to monitor the progress. For such requirements, we can implement a simple progress bar that gives an idea ...

Uptycs Threat Research outline how malicious Linux shell scripts are used to cloak attacks and how defenders can detect and mitigate against them. Siddartha Sharma and Adhokshaj Mishra Evasive ...

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

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 ...

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 ...