🧩 Module 1: Linux Basics

What This Module Covers

Before touching commands, every DevOps engineer needs a correct mental model of Linux.

Most production mistakes happen not because people don’t know commands —
but because they misunderstand how Linux actually works.

In this module, you’ll learn:

  • What Linux really is (and what it is not)
  • How Linux systems are structured
  • How processes, files, and users relate
  • Why Linux behaves the way it does under load or failure

This module sets the foundation for everything that follows.

Lessons in This Module

  • Lesson 1: What Linux Really Is (and Isn’t)
  • Lesson 2: Linux Distributions in Production
  • Lesson 3: Understanding the Linux Filesystem
  • Lesson 4: Processes, Users, and Permissions (High Level)

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