Drupal is a free and open source content management system which is writtenin PHP. It is used as a back-end system for at least one percent of all sites ranging from personal websites to corporate, government and political websites. It is also used for knowledge management and business collaboration.
Drupal is a free modular content management system.It is particularly popular in building online communities. Drupal is an English transliteration of the Dutch word druppel which means drop
According to my point of view Drupal CMS(Content Management System). This means that you somehow manage content, with it. So what kind of content you steer with Drupal. The more thing is that I want to say you that Drupal is written in PHP programming language. The software is ready for use when downloading and also includes a Web-based installation,
