Minishell

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Project Overview

The Minishell project from 42 School introduces:

• The fundamentals of shell programming
• Process creation, pipes, and redirections
• Handling signals, environment variables, and built-in commands

This project is all about recreating a simplified version of the Bash shell —
learning how a real shell parses commands, executes processes, and manages the environment 🐚

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📚 Learning Goals

• Master process control with fork, execve, and wait
• Implement I/O redirections and pipes
• Manage signals like ctrl+C, ctrl+D, and ctrl+\
• Handle environment variables dynamically
• Build a modular, robust, and readable C program

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⚙️ Status

🧠 Currently working on command parsing and process management.
🤝 Project developed in collaboration with Fabio Vitharana.
📅 Repository will be updated as new features are implemented!

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🧩 Work Distribution

• Fabio Vitharana
  Focused on parsing and built-ins management.

• Ilaria Nassi
  Responsible for the execution part — handling command execution, pipes, and process control.

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🏗️ Architecture Overview

Below is a simplified view of how Minishell processes a command:

┌──────────────────────────────────────────┐
│               User Input                 │
└──────────────────────────────────────────┘
                     │
                     ▼
┌──────────────────────────────────────────┐
│               Parsing Layer              │
│  • Tokenization                          │
│  • Syntax checking                       │
│  • Environment variable expansion         │
└──────────────────────────────────────────┘
                     │
                     ▼
┌──────────────────────────────────────────┐
│              Execution Layer             │
│  • Handle built-ins                      │
│  • Set up pipes and redirections         │
│  • Create processes with fork/execve     │
│  • Wait for children and manage status   │
└──────────────────────────────────────────┘
                     │
                     ▼
┌──────────────────────────────────────────┐
│              Shell Loop                  │
│  • Display prompt                        │
│  • Handle signals                        │
│  • Repeat until exit                     │
└──────────────────────────────────────────┘

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👩‍💻 Authors

• Ilaria Nassi @19Jillian89
• Fabio Vitharana @FabzHub17

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📄 License

This project is for educational purposes only and is part of the 42 Common Core curriculum. 42 Common Core curriculum,

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