The managers of Apache allow him to control what will do with certain type of archives. When Apache sees a file, internamente she internamente has an action integrated for that type of file, and will execute that action. If it wishes that Apache uses a different action, she needs to create a manager that says to him that it executes that action. For example, if it uses a type of file that requires a special program to execute it, like a file with server side includes that has not been called with an extension of .sh tml, needs to say to him to Apache who treats those archives in different form.
To return 
