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’m going to go ahead and admit it: I really have too many tray icons. You know the ones. They sit on your taskbar, perhaps doing something in the background or, at least, giving you fingertip access ...

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 ...

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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 ...

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While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

Give your scripts understandable names and they'll be easier to find and easier to use. I often start my scripts by calling them "tryme" until they've been proven to work pretty well. Then I give them ...

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 ...

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.