Linux Introduction
What Linux is, key distros, and the filesystem every defender must know.
1. What is Linux & Why Hackers Use It
Learn what Linux is, why cybersecurity pros use the terminal, and how open-source servers power the internet.
15 min
+40 XP
2. Linux Distributions (Kali, Ubuntu, Parrot)
Compare Ubuntu, Kali Linux, and Parrot OS—and choose the right distro for learning vs. pentesting labs.
15 min
+40 XP
3. Linux File System Structure
Navigate /home, /etc, /var, and absolute paths—the directory map used on every Linux server.
15 min
+40 XP
4. Quiz — Linux Intro
10-question quiz on Linux basics, distros, and filesystem fundamentals.
10 min
+40 XP