What is Drupal?
Drupal is a free and open source Content Management System (CMS)that allows organizing, managing and publishing your content. It is built on PHP based environments.This is carried out under GNU i.e. General Public Licence,that means everyone have a freedom of downloading and sharing it to others.
What is Content Management System?
The Content Management System (CMS) is a software which keeps all the data of your content (such as text, photos, music, documents etc) which will be available on your website. A CMS helps in editing, publishing and modifying the content of the website.