At present, Linux operating system has about 1% market share for desktops as compared to 92% of Windows, whereas it is popular for servers or embedded systems. Ubuntu, based on the Linux’s Debian flavor has focused to bring Linux OS to the common people. More here

Users can easily upgrade their PCs with the new version of Ubuntu and it can also installed on your vintage PCs. Further, like Windows 7 and Mac OS X, Ubuntu 9.10 automatically keeps users’ operating system up-to-date. While, Windows 7 will update only the Microsoft software and the OS, Ubuntu updates itself with any other software installed on users’ system.