Fish

Fish is a simple Unix shell implemented in C as a student project. It supports basic command execution, piping, redirection, and background processes.

Features

• Execute commands with arguments
• Piped commands (e.g., ls -l | grep txt)
• Input/output redirection using < and >
• Background execution with &
• Basic command-line parsing

Project Structure

• fish.c / fish.h: Main shell implementation
• cmdline.c / cmdline.h: Command-line parsing utilities
• cmdline_test.c: Test cases for command-line parsing
• Makefile: Build automation
• projet-fish.pdf: Project documentation (in French)

Installation

Prerequisites

• GCC compiler
• Make utility