Mini-Shell

A small Unix shell written in C from scratch, built to understand how Unix shells work internally.

Features

• Execute external commands through $PATH
• Command arguments
• Built-in commands:
  • cd
  • pwd
  • exit
• Environment variable expansion:
  • $HOME
  • $USER
  • $PATH
• Output redirection:
  • >
• Supports commands such as:
  • ls
  • cat
  • echo

Project Structure

Mini-Shell/
├── Makefile
├── README.md
├── include/
│   └── shell.h
└── src/
    ├── main.c
    ├── parser.c
    ├── builtins.c
    ├── utils.c
    └── redirections.c

Built With

• C
• GCC
• Linux / WSL
• Makefile
• Unix system calls

Built from scratch as a learning project to understand processes, fork(), execve(), file descriptors, environment variables, and shell behavior.