Linuxinsider.com have a very praising article about Ubuntu and how to use it. Basically it is an overview article about Ubuntu.
The developers of Ubuntu version 6.06 have created an easy-to-use alternative to Windows.
As Linux requires password access and employs a rigid set of rules to safeguard against unauthorized installations, it does not need anti-spyware or antivirus programs. On all counts, Ubuntu Linux is an ideal replacement OS for home and small business computing.
The entire article is here