Module 2 — Linux Fundamentals
How Linux is built and how to drive it from the command line: kernel vs user space, the filesystem hierarchy, essential commands, permissions, and processes/services/logs.
Lesson: How Linux Is Structured
What you'll learn What a kernel actually does and why every computer needs one. The difference b...
Lesson: The Linux Directory Tree
What you'll learn Why Linux has one tree of directories starting at / instead of drive letters. ...
Lesson: The Everyday Command Toolkit
What you'll learn Move around the filesystem confidently with pwd, cd, and ls. Create, copy, mov...
Lesson: Who Can Do What
What you'll learn The difference between users, groups, and the all-powerful root account. Why y...
Lesson: What's Running and Why
What you'll learn Inspect running programs with ps, top, and htop. Send signals to processes and...
Assignment 1: Explore and explain a Linux host
Goal: Prove you can navigate a real Linux machine, read its layout, and explain what you find — u...
Assignment 2: Manage a service and read its logs
Goal: Prove you can inspect, control, and troubleshoot a systemd service and read its logs — the ...