Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

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 ...

Linux Journal, representing 25+ years of publication, is the original magazine of the global Open Source community.

I recently switched to Mac OS X as my primary desktop operating system after spending over a decade on Linux. Although Apple’s operating system supplies practically all of the command line tools I ...

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 ...

Today’s how-to will show you how to install the command-line picture-manipulation tool ImageMagick, and how to build an Automator system service using shell scripting. The Service will take any number ...

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 ...

How to use a Bash script for-loop for system administration in Linux Your email has been sent Bash scripting remains a staple of my endeavors in Linux as a system administrator, and I use it every day ...