She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She lives in the mountains in Virginia where, when not working with or writing ...

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 ...

Claim your complimentary copy (valued at $35.99) for free before the offer expires on April 9. Dive into the world of Linux shell scripting with this hands-on guide. If you’re comfortable using the ...

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

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 ...

I realize I've been playing a bit fast and loose with my shell scripts over the last few months, because I haven't talked about how to ensure that error conditions ...

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 ...

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 ...

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 ...