Unix

Safe Ways to Practice Potentially Dangerous Linux Commands

J. Frank Wilson on Dec 3, 2024

IT professionals can safely practice potentially dangerous Unix commands by setting up a virtual environment, using a live Linux distribution, setting …

J. Frank Wilson on Nov 10, 2024

The most dangerous Unix commands include rm -rf /, :(){ :|:& };:, chmod -R 777 /, dd if=/dev/random of=/dev/sda, > /dev/sda, mv /home/user/* …

J. Frank Wilson on Mar 9, 2024

This article will help you get started with BBEdit GREP advanced find and replace functions and point you in the right direction in case you have more …

J. Frank Wilson on Sep 7, 2023

The history of Linux has an interesting beginning. Here's how Linux was announced and more info about the guy who created the Linux OS.

J. Frank Wilson on Apr 29, 2021 (Updated: Sep 18, 2022)

Easy tutorial that will show you how to make an executable file from a plain text document that will work in a macOS, Unix, or Linux Terminal app.

J. Frank Wilson on Sep 26, 2014 (Updated: Jun 16, 2020)

If you run a website, then you’ve probably heard about a massive new security flaw called Shellshock. Any web server using Unix, Linux or Mac OS …

J. Frank Wilson on Jul 25, 2007 (Updated: Sep 8, 2023)

Linux users are so creative... and cheap. Sometimes their love for free open source software takes hold in other ways. For example, check out this …

J. Frank Wilson on Apr 5, 2006 (Updated: Apr 14, 2020)

A fatal flaw has been discovered with Apple's web browser, Safari, where a simple image can crash the app. It's another Safari Image of Doom.

J. Frank Wilson on Feb 1, 2005 (Updated: Mar 16, 2019)

What's your computer and beer of choice? What if you were to combine them and pretend that your beer was a computer operating system. Here's your Beer …

J. Frank Wilson on Sep 2, 2004 (Updated: Sep 25, 2014)

How safe is your operating system from hackers? Both Mac and PC user face threats, but Apple is betting on the open-source heritage of its UNIX-based …