rsh - A Simple C Shell

A minimal shell implementation in C, supporting basic built-in commands and external program execution.

Features

• Prompt: Displays a $ prompt for user input.
• Built-in commands:

• exit [code]: Exit the shell with an optional exit code.

• echo [args...]: Print arguments to the terminal.

• type [command]: Identify if a command is a shell builtin or an external executable.
• External commands: Runs programs found in your system's PATH.

Usage

• Clone the repository:

git clone https://github.com/ronitrajfr/rsh.git
   cd rsh

• Build:

gcc -o rsh src/main.c

• Run:

./rsh

• Example session:

$ echo Hello World
   Hello World
   $ type echo
   echo is a shell builtin
   $ type ls
   ls is /bin/ls
   $ exit 0

Notes

• Only basic argument parsing is supported (no quotes, pipes, or redirection).
• Maximum 20 arguments per command.
• The shell is for educational purposes and does not implement advanced shell features.

License

See LICENSE.