wowowowo you are comparing vista that was released 4 months back with linux that has been here for over a decade.
And you say "already double". You are speaking as if linux grabbed vistas market. It is the other way round.
Loading User Information from Channel 9
Something went wrong getting user information from Channel 9
Loading User Information from MSDN
Something went wrong getting user information from MSDN
Loading Visual Studio Achievements
Something went wrong getting the Visual Studio Achievements