Practitioner Level

The System Administrator's Guide to Bash Scripting

By Terry Cox

Learn to write effective and complex shell scripts.

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7 hours

49 Lessons

About the course

In this course, you will develop all of the skills you need to write effective and complex shell scripts that can automate mundane tasks and complex implementations. We will walk you through all of the major components and keywords in shell scripting (loops, conditionals, functions, error handling, traps, signals, and more) so you can effectively write your scripts to handle any situation. You will find a comprehensive study guide, an instructor note card set, and a full sixteen pages of sample shell scripts developed during the course, all available for you to download and reference.

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Chapter 1 3 Lessons Introduction 15:22

An Important Note About A Cloud Guru and Linux Academy Courses
1:19

Syllabus
8:02

History of Bash
6:01
Chapter 2 19 Lessons Core Concepts 2:39:33

Bash Files - .bash_profile
7:32

Bash Files - .bashrc
7:02

Bash Files - .bash_history
7:09

Bash Files - .bash_logout
7:02

What Makes a File a Shell Script?
8:32

Displaying Environment Variables in a Script
7:23

Using Variables on the Command Line
10:06

Setting and Using Variables in Scripts
9:06

Comment Types and Structure
8:34

Command Substitution
10:18

Exit Status
7:54

Arithmetic Operations
7:54

Global and Local Environment Variables
6:34

Special Characters - Quotes and Escapes
7:55

Using /dev/null
6:38

The Read Statement
8:07

Shell Expansion
8:05

Types of Variables (Implicit vs. Explicit Definition)
11:20

Arrays
12:22
Chapter 3 7 Lessons Conditional Statements 1:18:40

Passing Variables to Scripts at the Command Line
9:01

The If Statement
16:49

If/Then/Else
16:16

For Loop
9:55

Case Statement
8:43

While Loop
8:26

Execution Operators (&& and ||)
9:30
Chapter 4 4 Lessons Input and Output 36:25

Reading Files
7:07

File Descriptors and Handles
8:33

IFS and Delimiting
9:10

Traps and Signals
11:35
Chapter 5 2 Lessons Debugging and Error Handling 18:56

Debugging Your Script
8:45

Error Handling
10:11
Chapter 6 6 Lessons Functions 1:03:46

Simple Functions
8:07

Structure of Functions in a Script
11:20

Variable Scope in Functions
9:47

Functions with Parameters
8:02

Nested Functions
12:20

Function Return and Exit
14:10
Chapter 7 7 Lessons Samples/Use Cases 1:13:20

Using the InfoBox
12:38

Display a MessageBox for Confirmation
12:01

Advanced UI - Building a Menu System
12:21

The InputBox
8:21

Overriding Events
10:45

Quickly Checking Command Line Parameters
7:24

Building a Document Generator
9:50
Chapter 8 1 Lesson Conclusion 3:55

Conclusion and Next Steps
3:55

Practice alongside courses in Cloud Playground

What is Cloud Playground? Cloud Playground lets you build skills in real-world AWS, Google Cloud, and Azure environments. Spin up risk-free Sandboxes, Servers and Terminals and follow along with courses, test a new idea or prepare for exams.

The System Administrator's Guide to Bash Scripting

About the course

An Important Note About A Cloud Guru and Linux Academy Courses

Syllabus

History of Bash

Bash Files - .bash_profile

Bash Files - .bashrc

Bash Files - .bash_history

Bash Files - .bash_logout

What Makes a File a Shell Script?

Displaying Environment Variables in a Script

Using Variables on the Command Line

Setting and Using Variables in Scripts

Comment Types and Structure

Command Substitution

Exit Status

Arithmetic Operations

Global and Local Environment Variables

Special Characters - Quotes and Escapes

Using /dev/null

The Read Statement

Shell Expansion

Types of Variables (Implicit vs. Explicit Definition)

Arrays

Passing Variables to Scripts at the Command Line

The If Statement

If/Then/Else

For Loop

Case Statement

While Loop

Execution Operators (&& and ||)

Reading Files

File Descriptors and Handles

IFS and Delimiting

Traps and Signals

Debugging Your Script

Error Handling

Simple Functions

Structure of Functions in a Script

Variable Scope in Functions

Functions with Parameters

Nested Functions

Function Return and Exit

Using the InfoBox

Display a MessageBox for Confirmation

Advanced UI - Building a Menu System

The InputBox

Overriding Events

Quickly Checking Command Line Parameters

Building a Document Generator

Conclusion and Next Steps

Practice alongside courses in Cloud Playground

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