🔰 10-basics Index

📚 Basics Section

Fundamental shell concepts every scripter must master.

📖 Contents

• Basics: Commands and Exit Codes
• Basics: Globbing
• Basics: Path and Executables
• Basics: Pipelines
• Basics: Portability
• Basics: Quoting
• Basics: Redirections
• Basics: Scripts and Shebang
• Basics: Shell 101
• Basics: Variables and Environment

🎯 Learning Objectives

✅ Master command execution and exit code handling ✅ Understand quoting rules and variable expansion ✅ Implement proper I/O redirection and piping ✅ Write portable shell scripts with correct shebangs

🔍 Quick Reference

Topic	Key Concepts
Commands	Builtins, external commands, PATH, exit codes
Globbing	Wildcards, character classes, brace expansion
Quoting	Single quotes, double quotes, escaping
Redirection	stdin, stdout, stderr, file descriptors
Variables	Environment variables, local variables, expansion

🚀 Recommended Learning Path

1. Shell 101 - Start here
2. Commands and Exit Codes
3. Variables and Environment
4. Quoting
5. Globbing
6. Redirections
7. Pipelines
8. Path and Executables
9. Scripts and Shebang
10. Portability