ZDNet's global readers favorite operating systems largely track those of American government visitors, but with some interesting differences.

However, with their closed system, it smacks of the Mac vs. Windows battle of 20+ years ago of which Apple clearly lost. Can a closed operating system like iOS maintain its dominance?

iOS or Android: Which Operating System Should You Program for First? Android has been the preferred OS until now, but heads up, small business: Here comes Microsoft.

According to a Goldman Sachs' private report , Microsoft's share of the computing device operating system market has declined to a mere 29%. Above it? Apple's iOS and Google's Android. Windows ...

Conventional wisdom in years past was that hackers didn’t bother to exploit Apple’s OS X operating system because its relatively insignificant market share didn’t warrant wasting resources ...

Windows and Blackberry are no longer in the picture, so iOS and Android make two most important platforms. But which operating system really wins over the other?

Since the arrival of smartphones, a healthy debate has raged over which mobile operating system reigns supreme. The conversation typically involves the two contenders iOS and Android. And, given ...

A clear reminder of that comes with news of a report claiming that Google's Android has overtaken Windows as the internet's most used operating system.