The Complete Guide to Bash Programming

Description

In this course, you will :

• Learn about the operating system from the ground up.
• Learn the fundamentals of Bash.
• Discover how to use the Bash commands in a shell.
• Investigate the benefits of Bash scripts.
• Learn how to use bash scripts to automate your daily tasks.

Syllabus :

1. Introduction

• Who Is This Course For?
• Hurdles in Learning
• An Insight on Existing Learning Material
• Why This Course?

 

2. Origins of the OS

• Operating Systems
• Electromechanical Computer
• Relay Computers
• Electrical Computers
• OS in Commercial Computers

 

3. Operating Systems

• How the OS Works
• Application Programming Interface
• Computer Devices
• OS Features
• Multitasking
• Multiprogramming
• GUI: An Overview
• GUI: TTY and CLI
• GUI: TUI and Xerox
• OS Versions
• OS: Windows
• OS: Linux

 

4. Application

• Computer Program
• Levels of Computer Memory
• Machine Code
• Source Code
• Compiler
• Interpreter

 

5. Bash Shell

• Development Tools
• Command Interpreter
• Command-line Interface

 

6. File System

• Directory Structures
• File System Navigation Commands
• Command pwd
• The ls Utility
• The mount Utility
• Command cd
• Command history
• The find Utility
• Using Glob Pattern with the find Utility
• Advanced Usage of the find Utility
• Logic Expressions
• The grep Command
• echo and grep

 

7. Command Information

• Man Page System and Command help
• Info System and Brief Help

 

8. Files and Directories

• Actions on Files and Directories
• The mkdir Utility
• The rm Utility
• The cp and mv Utilities
• Exercise: Commands
• File System Permissions
• Unix Permissions
• File Execution
• Installing and Running Applications in Bash

 

9. Bash Extra Features

• Unix Design Philosophy
• GNU Utilities
• I/O Redirection
• Pipelines
• Advanced Pipeline Example
• Limitations of the find Utility
• The xargs Utility
• Pipeline Pitfalls
• Logical Operator AND
• More on Operators
• Combining Commands

 

10. Scripts Features

• Why Do We Need Scripts?
• Backup Command Example
• Verifying the Backup Command
• Poor Technical Solution
• Using Bash Script
• Commands Sequence
• Script Parameters
• Script with Other Commands

 

11. Variables and Parameters

• What are Variables?
• Classification of Variables
• Declaration Mechanism: User-Defined Variables
• Bash Expansions
• Exercise: Writing a Bash Script
• Declaration Mechanism: Internal Variables
• Declaration Mechanism: Special Parameters
• Scope: Environment Variables
• Scope: Local Variables
• Type Systems
• Content Type: Variable Attributes
• Declaring Variables with Attributes
• Composite Type: Indexed Arrays
• Using Indexed Arrays
• Composite Types: Associative Arrays

 

12. Conditional Statements

• If Statement
• If-else Statement
• Exercise: If Statement
• The [[ Operator
• Advanced Features of the [[ Operator
• Operator [[ and Integers
• Case Statement
• if and case Statements
• Exercise: Case Statement
• Alternative to the Case Statement

 

13. Arithmetic Expressions and Operations

• Integer Representation
• Sign-magnitude Representation
• One's Complement
• Two's Complement
• Converting Numbers
• The (( Operator
• Operations in the Arithmetic Expressions
• Arithmetic Operations

 

14. Bitwise Operations

• Bitwise negation
• Exercise: Bitwise NOT
• Bitwise AND, OR and XOR
• Exercise: Bitwise AND, OR, and XOR
• Bit Shifts
• Changing Byte Order Using Bitwise Operations
• More on Using Bitwise Operations

 

15. Logical Operations and Increments

• Logical Operations
• Increment and Decrement
• Ternary Operator

 

16. Loop Operators

• Loop Constructs
• While Statement
• Infinite Loop
• Reading a Standard Input Stream
• Script for Managing the Contacts
• For Statement: The First Form of For
• Files Processing
• For Statement: The Second Form of For
• Controlling the Loop Execution: break
• Controlling Loop Execution: continue
• Exercise: Loop Constructs

 

17. Functions

• Programming Paradigms
• Using Functions in Shell
• Functions and Aliases
• Difference Between Functions and Aliases
• Using Functions in Scripts
• Returning a Function Result
• Variable Scope
• General Recommendations on Functions

 

18. Package Manager

• Repository
• Operating on Packages

 

19. Bash Scripts Tools

• Tools Needed for Bash
• Source Code Editor
• Launching the Editor
• Background Mode

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