🐚 Minishell

minishell is a shell implementation project from the 42 curriculum.
It replicates the behavior of a simplified bash, handling command execution, pipes, redirections, environment variables, and builtins.

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🎯 Project Objective

The goal of minishell is to implement a functional shell, learning the fundamentals of process creation, file descriptors, and terminal behavior, while respecting the exact bash-like behavior for many features.

You will:

• Implement a parser for command input
• Manage processes and file descriptors
• Handle pipes (|) and redirections (>, <, >>, <<)
• Support environment variable expansion ($HOME, $PATH, etc.)
• Implement core builtins such as cd, echo, pwd, export, unset, env, and exit
• Manage signals (Ctrl-C, Ctrl-D, Ctrl-\) correctly

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🔧 Key Concepts

Concept	Description
Process & Fork	Creation and management of child processes
Execve	System call to execute new programs
File Descriptors	Handle input/output and redirections
Pipes	Connect multiple commands together
Environment Vars	Expand and manipulate shell variables
Signals	Handle interrupts like Ctrl-C gracefully

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⚙️ Project Rules

• Must mimic bash behavior as closely as possible
• Only allowed functions: a restricted set from libc and POSIX
• Correct handling of memory (no leaks allowed)
• Proper exit codes for each command

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👥 Authors

• @GinaldoFT
• @andreyvolpini