Bash-From-Scratch

This project is a tutorial that demonstrates how to create a Bash shell from scratch in C. The tutorial is based on the following resources:

• The Linux Programming Interface by Michael Kerrisk
• Writing Your Own Shell by Brennan D Baraban

Prerequisites

• Familiarity with C programming
• Basic knowledge of Unix shell scripting

Requirements

• Linux, Macos, Windows
• Clang, GCC (C compailer)

Getting Started

• Clone or download the repository to your local machine.
• Follow the instructions in the README.md file in the tutorial directory to build and run the Bash shell from scratch.

resources

• What is Bash ?
• Difference between sh and bash ?
• How to Parse Command Line Arguments in Bash
• What is a Lexer ? known also as Tokenizer or Scanner - Lexical Analysis
• Lexer vs parser
• What is pipe in c ?
• Difference between fork() and exec()
• dup() and dup2() Linux system call
• What are Linux signals ?

Usage/Examples

git clone https://github.com/sFinOe/Bash-From-Scratch.git
cd Bash-From-Scratch
make && ./minishell

Enjoy My BashYum <3

Support

For support, email [email protected] or [email protected].

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