Shell Scripting Syllabus

• Module 1: Introduction to Shell Scripting

  • What is Shell Scripting?
  • Different Types of Shells (Bash, Zsh, Ksh, etc.)
  • Setting Up the Environment
  • Writing and Running Your First Shell Script
  • Basic Shell Script Structure

• Module 2: Shell Basics

  • Understanding the Command Line
  • Basic Commands (ls, cd, pwd, etc.)
  • File and Directory Operations
  • Understanding File Permissions and Ownership
  • Redirection and Pipes

• Module 3: Scripting Fundamentals

  • Variables and Environment Variables
  • Basic Operators (Arithmetic, Comparison)
  • Reading User Input
  • Quoting Mechanisms (Single, Double, Backticks)
  • Comments and Documentation

• Module 4: Control Structures

  • Conditional Statements (if, elif, else)
  • Case Statements
  • Looping Constructs (for, while, until)
  • Break and Continue Statements
  • Using Test Conditions

• Module 5: Functions and Modular Scripts

  • Defining and Calling Functions
  • Function Arguments and Return Values
  • Modularizing Code with Functions
  • Scope of Variables
  • Including Other Shell Scripts

• Module 6: Advanced Scripting Techniques

  • Arrays
  • String Manipulation
  • Working with Dates and Times
  • Regular Expressions and Pattern Matching
  • Using sed and awk for Text Processing

• Module 7: Input/Output and File Management

  • Reading from and Writing to Files
  • File Descriptors
  • Input Redirection and Output Redirection
  • Using Here Documents
  • Managing File Permissions and Ownership with Scripts

• Module 8: Process Management

  • Understanding Processes
  • Running Jobs in the Background
  • Using ps, top, kill, and jobs Commands
  • Process Substitution
  • Monitoring System Performance with Shell Scripts

• Module 9: Error Handling and Debugging

  • Exit Status and Return Codes
  • Error Handling Techniques
  • Using trap for Cleanup
  • Debugging Scripts with set -x and set -e
  • Logging and Monitoring Script Execution

• Module 10: Shell Script Best Practices

  • Writing Readable and Maintainable Code
  • Commenting and Documentation
  • Using Version Control (Git) for Shell Scripts
  • Script Optimization Techniques
  • Security Considerations in Shell Scripting

• Module 11: Automation and Scheduling

  • Using cron for Job Scheduling
  • Creating Cron Jobs and Cron Expressions
  • Automating Routine Tasks
  • Using at and batch for One-time Tasks
  • Managing Scheduled Tasks

• Module 12: Practical Shell Scripting Projects

  • Automating Backup and Restore
  • System Monitoring and Reporting Scripts
  • Network Configuration and Monitoring
  • User and Permission Management
  • Scripting for DevOps (e.g., Deployment Automation)

• Module 13: Advanced Topics

  • Interfacing with Databases from Shell Scripts
  • Using Shell Scripts in CI/CD Pipelines
  • Advanced Text Processing with awk and sed
  • Shell Scripting for Data Processing
  • Integration with Other Programming Languages (Python, Perl, etc.)

• Module 14: Capstone Project

  • Identifying a Real-World Problem
  • Designing and Planning the Script
  • Writing and Testing the Script
  • Documenting the Solution
  • Presenting the Project