42_minishell

As beautiful as a shell

About • Resource Links • Prerequisites • Getting Started • Why we got 95/100

💡 About

Write a shell.

This project is about creating a simple shell. Yes, your own little bash.
You will learn a lot about processes and file descriptors.

🔗 Resource Links

• 📜 Project PDF: PDF

📦 Prerequisites

• GCC Compiler
• Make
• Git

🚀 Getting Started

• Open the terminal and run the following commands

git clone git@github.com:JustShush/42_minishell.git
cd 42_minishell
make
./minishell

git clone git@github.com:JustShush/42_minishell.git ; cd 42_minishell ; make ; ./minishell

• To compile, run make at the root of the 42_minishell directory.
• To start the project run the executable file at the root of the 42_minishell directory. Example:

$ ./minishell

❌ Why we got 95

Basically execve creates a new process when when we changed the exit status in the child it doesn't get updated in the other process so when we tried the command: env | <invalid_command> and then echo $? it returns 0 instead of 127 for the command not found.

some tests to check