> > > > >> Android is arguably the "most isolated" popular mainstream operating >> system, and they are providing their isolation not through purpose-built >> mechanisms, but by re-purposing the UNIX user-id protections to provide >> cross-app protection domains. This means apps are segregated from each >> other, but they are not free to create their own containment domains. >> > Android is an interesting study in how far you can re-purpose the UID > mechanism. The answer is "a lot further than we thought", but also "and not > far enough". They also made a fatal mistake admitting an unsafe native code > SDK. > >
That depends on how they did it , agree it can be a fatal mistake . There is alot of competition on handhelds and native can be important but if they did it like WinRT than it is safe ( eg sandbox , caps , no ipc ) , if they exposed too much of Linux then it will cost. Ben
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