Mini Shell

A minimal command-line shell written in c. It can execute basic commnds like ls, pwd, etc.

Features

• Read user input in a REPL (Read_Eval_Print Loop)
• Tokenize input using space as delimiter
• Execute commands via execvp()
• Graceful exit ith the exit command

Project Structure

.
├── include
│   ├── executor.h         # Declaration of command execution functions
│   └── parser.h           # Declaration of input parsing functions
├── Makefile               # Build instructions
├── README.md              # Project documentation
└── src
    ├── executor.c         # Implementation of command execution
    ├── main.c             # Shell entry point and REPL loop
    └── parser.c           # Input tokenization logic

Getting Started

Build & Run

• Clone the repository
• Run make to build the project
• Launch the shell: ./mini-shell

Example Usage

mini-shell> ls
mini-shell> pwd
mini-shell> echo Welcome to mini-shell !
mini-shell> exit

Feature Roadmap && TODO

Feature	Status
➕ Input redirection (<)	⬜ Planned
➕ Output redirection (>, >>)	⬜ Planned
➕ Pipelines	⬜ Planned
➕ Command history (arrow keys) via GNU Readline	⬜ Planned
➕ Background process execution (sleep 5 &)	⬜ Planned
➕ Environment variable expansion (echo $HOME)	⬜ Planned

Diagram explaining the interaction between shell and system calls