This is the first tutorial in this series. Learn about the prerequisites that must be met before beginning the course.
Learn to install Ubuntu: • How to Install Ubuntu Linux
Read documentation here: https://help.ubuntu.com/community/Ins...
Download Ubuntu here: http://www.ubuntu.com/download/desktop
You may explore other Linux distributions as well. Read this article to know more about open source Linux distributions: http://en.wikipedia.org/wiki/Comparis...