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 ...

Basic ways you can use shell scripts to monitor password strength and secret accounts. The internet ain't what it used to be back in the old days. I remember being online back when it was known as ...

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 ...

Gain new superpowers!

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

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 ...