About

This project is my third rewrite of a custom UNIX-like shell, developed as a hands-on exercise while studying "Operating Systems: Three Easy Pieces" (OSTEP). The primary goal is to deepen my understanding of process management, pipes, and redirection in a UNIX environment.

Features

• Parse config file
• Clears CLI on startup
• Show QOTD on startup
• Setup unit testing
• Parse command line input
• Execute single parsed command per line
  • Check return call of all system calls
  • White space and tab handling
• Parse batched command from txt file
• Execute single parsed command per line
  • Check return call of all system calls
  • White space and tab handling
• Redirection of ouput to a file
• Parallel commands
• Built-in commands
  • path
  • exit
  • cd

Acknowledgments

Authors of Operating Systems: Three Easy Pieces. Remzi H. Arpaci-Dusseau and Andrea C. Arpaci-Dusseau, Arpaci-Dusseau Books, November, 2023 (Version 1.10)