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Posted by MERONEPAL
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2:52 AM
The iPhone (and iPod Touch) run an operating system known as iPhone OS. It is based on a variant of the same Darwin operating system core that is found in Mac OS X. Also included is the "Core Animation" software component from Mac OS X v10.5 Leopard. Together with the PowerVR hardware (and on the iPhone 3GS, OpenGL ES 2.0), it is responsible for the interface's motion graphics. The operating system takes up less than half a GB of the device's total storage (4 to 32 GB). It is capable of supporting bundled and future applications from Apple, as well as from third-party developers. Software applications cannot be copied directly from Mac OS X but must be written and compiled specifically for iPhone OS.
Like the iPod, the iPhone is managed with iTunes. The earliest versions of iPhone OS required version 7.3 or later, which is compatible with Mac OS X version 10.4.10 Tiger or later, and 32-bit or 64-bit Windows XP or Vista. The release of iTunes 7.6 expanded this support to include 64-bit versions of XP and Vista, and a workaround has been discovered for previous 64-bit Windows operating systems. Apple provides free updates to iPhone OS through iTunes, and major updates have historically accompanied new models. Such updates often require a newer version of iTunes — for example, the 3.0 update requires iTunes 8.2 — but the iTunes system requirements have stayed the same. Updates include both security patches and new features. For example, iPhone 3G users initially experienced dropped calls until an update was issued.
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