Linux Terminal Course

A comprehensive, hands-on Linux terminal course — from absolute beginner to advanced user. Every lesson includes copy-pasteable commands and real-world examples.

Course Overview

#	Lesson	Level	Topics
01	Navigation Basics	Beginner	`pwd`, `ls`, `cd`, directory structure
02	File Operations	Beginner	`touch`, `mkdir`, `cp`, `mv`, `rm`, `ln`
03	Viewing & Reading Files	Beginner	`cat`, `less`, `more`, `head`, `tail`, `wc`, `diff`
04	Text Editors	Beginner	`nano`, `vim` basics
05	Getting Help	Beginner	`man`, `whatis`, `which`, `whereis`, `--help`
06	Input & Output — echo	Beginner	`echo`, colored output, special characters
07	Users & Permissions	Intermediate	`sudo`, `chmod` symbolic & octal, `chown`
08	User & Group Management	Intermediate	`useradd`, `userdel`, `groupadd`, `passwd`, `groups`
09	Search & Find	Intermediate	`find`, `locate`, `grep`, `which`, `whereis`
10	Text Processing	Intermediate	`sort`, `cut`, `tr`, `sed`, `awk`, `uniq`
11	System Information	Intermediate	`uname`, `date`, `cal`, `uptime`, `free`, `lscpu`, `watch`
12	Disk & Storage	Intermediate	`df`, `du`, `ncdu`, `lsblk`, `mount`
13	Package Management	Intermediate	`apt`, `nala`, `snap`, `flatpak`, Homebrew
14	Process Management	Advanced	`ps`, `top`, `htop`, `btop`, `kill`, signals, `jobs`
15	Archives & Compression	Advanced	`tar`, `gzip`, `zip`, `unzip`
16	Pipes, Redirection & Chaining	Advanced	`\|`, `>`, `>>`, `tee`, `xargs`, `&&`, `\|\|`
17	Shell Configuration	Advanced	`.bashrc`, `.zshrc`, aliases, `$PATH`, prompt customization
18	Networking & SSH	Advanced	`ping`, `curl`, `ssh`, `scp`, `rsync`, `ss`
19	Advanced Tools & Power User	Advanced	`shred`, `history`, `time`, `bat`, `lsd`, `tmux`, Midnight Commander

How to Use This Course

Follow the lessons in order — each one builds on the previous
Copy and paste the commands into your terminal to practice
Read the explanations to understand why a command works
Try the exercises at the end of each lesson
Use a virtual machine or WSL if you don't have a Linux system

Prerequisites

A Linux system (Ubuntu/Debian recommended), WSL on Windows, or a virtual machine
A terminal emulator
No prior Linux experience required — we start from zero

Quick Reference

The Linux Filesystem Hierarchy

/
├── bin/        Essential user binaries (ls, cp, mv...)
├── boot/       Boot loader files
├── dev/        Device files
├── etc/        System configuration files
├── home/       User home directories
│   └── user/   Your personal files
├── lib/        Shared libraries
├── media/      Removable media mount points
├── mnt/        Temporary mount points
├── opt/        Optional/third-party software
├── proc/       Process and kernel info (virtual)
├── root/       Root user home directory
├── sbin/       System binaries
├── srv/        Service data
├── sys/        System devices (virtual)
├── tmp/        Temporary files
├── usr/        User programs and data
│   ├── bin/    User binaries
│   ├── lib/    Libraries
│   └── share/  Shared data
└── var/        Variable data (logs, caches)
    ├── log/    Log files
    └── tmp/    Temporary files (persistent)