G
GuideDevOps

Linux Fundamentals

Master the Linux operating system — commands, file system, permissions, and system administration.

17 lessonsTutorial

What You'll Learn

This Linux Fundamentals tutorial is designed as a structured learning hub with 17lessons. You'll move from core concepts into practical DevOps use cases, helping you build both foundational understanding and hands-on confidence before moving into production-style tooling and troubleshooting.

If you're studying for interviews, preparing for real project work, or filling gaps in your DevOps roadmap, this topic page is meant to be your central starting point.

Ready to start?

Begin with the first lesson and work through each topic sequentially.

Lessons

1

Introduction to Linux

2

Linux Distributions

3

Basic Commands

4

File System Hierarchy

5

Text Processing

6

Users & Groups

7

File Permissions

8

Environment Variables

9

Package Management

10

Process Management

11

Service Management

12

Log Files & Journalctl

13

Network Configuration

14

SSH & Remote Access

15

Security & Firewalls

16

Disk Management

17

Cron Jobs & Scheduling

Interview Practice
Review common questions related to this tutorial track.
Linux & System Administration