Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script.

To avoid that problem, you'll want to set -o noclobber in scripts or, better, for your login shell, and let it be inherited by subshells, including those that run your shell scripts.

More than just writing help scripts, here documents are useful any time that you want to enter multiple lines and have them piped to a command. We use them most often from the shell directly.

Posted in Hackaday Columns, Linux Hacks, Skills, Slider Tagged bash, bashdb, debugging, Linux Fu, shell script ← A Tree Of LEDs That Blows Out Like A Candle ...

To change a password in Linux through a Bash script, he two scripts that are most important are 'Create Users' and 'Change Passwords Shell' scripts, for the system admin which regularly uses the mail ...

So bash assumes that if the kernel can't execute it, it must be a shell script. Which means that you don't actually have to include "#!/bin/sh or #!/bin/bash at the top of your shell scripts if you ...

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 ...

Linux Shell Scripting: A Project-Based Approach to Learning Shell scripts are among the most powerful tools available for all Linux users and likely the most flexible, too.

These are called "wildcards," and they can make your life in the Linux terminal much easier. Wildcard characters, also known ...