The free to use world-wide-web browser Firefox have now overtaken Internet Explorer dominans in Europe. Windows is also shrinking its dominance with its userbase now under 90% in market share. This means that the operating system category so called “other OS’s” in many computing media is moving. MacOSX is one of them and also Android/Linux. Haiku, AROS, AmigaOS4 and MorphOS is also battling about the so called “other OS” in this market. Still Windows will be a world leader OS in many years, but now we see that things is starting to move.