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Shell Scripting Mastery

Automate everything with Bash

Take your Linux skills to the next level. Master shell scripting from basic variable assignment to complex automation pipelines. Write scripts that parse logs, manage systems, and solve real-world problems.

Intermediate 25 challenges 7050 points ~30 hours

Course Content

0. Bash Fundamentals

4 lessons

Variables, quoting, arithmetic, and your first scripts.

Variables and Environment 25min

Arithmetic and Exit Codes 20min

Reading Input and Arguments 20min

Module 1 Review 10min

1. Control Flow

4 lessons

Conditionals, loops, and case statements for powerful scripts.

If Statements and Test Expressions 25min

Loops: for, while, until 25min

Case Statements 15min

Module 2 Review 10min

2. Functions and Scope

3 lessons

Writing reusable functions, local variables, and return values.

Defining and Calling Functions 25min

Arrays and Associative Arrays 25min

Module 3 Review 10min

3. Text Processing

4 lessons

Regular expressions, sed, awk — the power trio of text manipulation.

Regular Expressions in Bash 30min

sed — Stream Editor 30min

awk — Pattern Scanning 30min

Module 4 Review 10min

4. Advanced Scripting Patterns

4 lessons

Traps, signals, process substitution, and real-world automation.

Traps and Signal Handling 25min

Process Substitution and Subshells 25min

Real-World Automation Scripts 30min

Course Complete! 5min