CMS i.e Content Management Sytem helps to build a professional website that is easyto update and manage contents on your website easily with no Coding knowledge needed.A CMS lets you focus on making new content . You write your article, you upload it to your site, and the CMS spits out a nice page: your article plus the menus, sidebars, and all the fixings..Examples of CMS are Joomla,Wordpress and Drupal
Features of the Big3 CMS
Wordpress: plugins add features to wordpress and with over 15000 plugins you are goodto go,If you think WordPress is only for blogs, your definition needs an upgrade. WordPress can handle multiple authors, specialized content types, and pretty much anything a user would expect from a CMS. WordPress is legendary for beingeasy to learn and use. It'salso got a sweet user interface.If your needs are straightforward,WordPress could easily be the best choice..
2. Joomla: programs that add features are called: extensions (divided into components , modules , and plugins ) with userfriendly admin page you are good to go.
Drupal: Sites that uses Drupal include The Economist, The White House.In Drupal, the little programs that add features are called: modules and the admin panel very friendly.Drupal was designed to get new features using tons of little modules . Many of these modules are maintained by professional developers for large clients, butyou still get them for free..
*Note*:The article above isjust a brief description of CMS and the Big3. CMS
source:http://teleshare..com/2012/10/the-big3-cms-for-web-developers.html

CMS is the most important tools for webmaster to create website and manage web content to update it regularly. This thee CMS are the most popular and widely used for web site creation. I also prefer to use Joomla to design website. It is secure to use to protect website and cheaper than other CMS tool.

yea u r right but most nigerians use wordpress