Linux for Hackers
To become a professional hacker, you MUST know Linux.
Although a few hacker tools are available for Windows,
well over 95% are Linux-based.
This area will focus on updating and upgrading your Linux skills.
To begin, take a look at my article on "Why Every Hacker Should Know and Use Linux".
7. BASH Basics
Also, for more on Linux for Hackers, look for my book
In addition, for limited time, you can get the Video Companion to
"Linux Basics for Hackers" with Master OTW walks you through all the lessons in the entire book.