Basic Command Line Interpreter (CLI)

Overview

This project implements a basic Command Line Interpreter (CLI) that mimics the functionality of a Unix/Linux shell. The CLI supports a variety of system commands as well as internal commands to enhance user interaction.

Features

Command Execution

The CLI can execute this following system commands:

• pwd: Print the current working directory.
• cd <directory>: Change the current directory to <directory>.
• ls: List files in the current directory.
• ls -a: List all files, including hidden files.
• ls -r: List files in reverse order.
• mkdir <directory>: Create a new directory.
• rmdir <directory>: Remove an empty directory.
• touch <file>: Create a new file or update the timestamp of an existing file.
• mv <source> <destination>: Move or rename files or directories.
• rm <file>: Remove a file.
• cat <file>: Display the contents of a file.
• Output redirection:
  • >: Redirect output to a file, overwriting if it exists.
  • >>: Redirect output to a file, appending to it.
• |: Pipe output from one command to another.

Internal Commands

The CLI includes the following internal commands:

• exit: Terminate the CLI.
• help: Display a list of available commands and their usage.