Ubuntu is an African word meaning ‘Humanity to others’, or ‘I am what I am because of who we all are’.
Ubuntu is very interesting and professional to use. No viruses and spywares at all. Nice user-friendly interface.
Windows 7 is the latest operating system of Microsoft after Windows Vista. It is said that Windows 7 is more stable and excludes many features of Vista which were not used at all. It is a refined version of Vista. Windows 7 has a very nice interface indeed. It resembles Kubuntu a bit but with the technology of transparency.