cgi-bin

cgi-bin is a common gateway interface that helps the users to write web application. cgi-bin is an interface between the web client and the web server that runs the CGI script. GET and POST methods are used to pass data from the browser and the web servers. It allows the users to interact with the external programs. Its main purpose is to add dynamic content to a website. The web server will also execute the CGI script in its own process space and sets some useful environment variables.