Android (operating system) wrote in "The New York Times" that "About one of every two computers sold today is running Android. [It] has become Earth's dominant computing platform." According to a Statistica's estimate, Android smartphones had an installed base of 1.8 billion units in 2015, which was 76% of the estimated total number of smartphones worldwide. Android has the largest installed base of any mobile operating system and, since 2013, the highest-selling operating system overall with sales in 2012, 2013 and 2014 close to the installed base of all PCs. In the second quarter of 2014, Android's share of the global smartphone shipment
Copland (operating system) its window. Programs that are not in the foreground are periodically given short bits of time to run, but as before, the entire process is controlled by the applications, not the operating system. Because the operating system and applications all share a single memory space, it is possible for a bug in any one of them to corrupt the entire operating system, and crash the machine. This is not particularly annoying under a single-application model, in which case the application crashes anyway. But under MultiFinder, any crash will crash all the other running programs as well. The multitasking of multiple