What is CGI

CGI (Common Gateway Interface) is a standard protocol used to enable web servers to execute scripts and generate dynamic content. It acts as a bridge between the web server and executables or scripts, allowing the server to process data and respond with dynamic web pages.

CGI allows for the creation of interactive websites by processing user input and generating responses in real-time. This is especially important for applications such as forms, data processing, and site management. Although CGI has been largely replaced by more efficient methods such as server-side scripting languages (e.g., PHP, Python), it remains a fundamental concept in web technology.

Below is an example of a simple CGI script written in PHP:

";
        echo "
Hello, CGI!
";
        echo "