WordPress is a free and open source blogging tool and a content management system (CMS) based on PHP and MySQL, which runs on a web hosting service.
WordPress is the most popular blogging system in use on the Web, at more than 60 million websites. WordPress having a set of User groups roles and permission. They are
- Super Admin – somebody with access to the site network administration features and all other features. See the Create a Network article.
- Administrator – somebody who has access to all the administration features within a single site.
- Editor – somebody who can publish and manage posts including the posts of other users.
- Author – somebody who can publish and manage their own posts.
- Contributor – somebody who can write and manage their own posts but cannot publish them.
- Subscriber – somebody who can only manage their profile.
