Operating Systems
by Mariana Coronado
1. What percentage of people use Windows?
1.1. http://www.microsoft-watch.com/content/windows_7/how_microsoft_ensured_that_windows_7_would_improve_over_vista.html
2. Apple, OSX, Leopard
3. Cell Phone Operating System
4. Definition:
4.1. http://www.google.com/search?hl=en&q=define%3Aoperating+systems&aq=f&oq=&aqi=g-sx1
5. Linux: Open Source, Free
