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Bash Tutorial

Learn Bash shell scripting from scratch with interactive examples. Master the command line for automation, system administration, and DevOps.

Start Learning

Begin with Bash Introduction

What You'll Learn

  • Variables, arrays, and environment management
  • String manipulation and parameter expansion
  • Operators: arithmetic, comparison, logical, file tests
  • Control flow: if/else, case, loops
  • Functions with parameters and return values
  • Input/Output, pipes, and redirection
  • File operations and directory traversal
  • Advanced: regex, sed, awk, signals, debugging
  • Professional: error handling, logging, testing
53
Lessons
10
Modules
Free
Forever

Course Modules

1. Getting Started

Introduction, first script, terminal

2. Variables & Environment

Variables, expansion, arrays

3. Strings & Text

Quoting, manipulation, heredocs

4. Operators & Arithmetic

Math, comparison, file tests

5. Control Flow

If/else, case, for, while loops

6. Functions

Defining, parameters, scope

7. Input & Output

Read, redirection, pipes

8. File Operations

Read, write, find, test

9. Advanced Topics

Regex, sed, awk, signals

10. Professional Practices

Error handling, logging, testing

Why Learn Bash?

Automation

Automate repetitive tasks and workflows

DevOps

Essential for CI/CD and deployment

System Admin

Manage servers and infrastructure

Universal

Available on Linux, macOS, WSL