RazzShell is a custom Unix shell developed in C, designed to enhance user experience with a variety of built-in commands, a colorful output, and unique features like bookmarking, session management, and visual command flow. It combines the functionality of traditional shells like Bash and Zsh with its own set of useful and user-friendly features, such as an intuitive command prompt, easy process management, and external command execution. The shell is designed to be simple, visually appealing, and efficient, providing a great environment for both new and experienced users.