Specification :

UBUNTU IS GOOD FOR WINDOWS USERS
1. To prevent the entry of the virus from the pendrive and the Internet
2. To make the place of data safe from viruses
3. To read the data which is hidden by a virus ( in flash)
4. For a backup system if your windows fuss
5. For the legality of your computer

UBUNTU LINUX Modification is:
1. Windows operating system level who legally ( not pirated) but cheap price.
2. Safe from the transmission of the virus, is safe to store job data
3. Is complete with the application:
Gimp = Photoshop
Inkscape = Corel
Libre Office = Microsoft Office
and many more in the ubuntu repositories, just need internet to install it.
4. There is a book ( ebook) instructions for application in Indonesian
5. Ubuntu can be installed side by side with the window, the selection made   at boot time.