Moreover, with OS X, Apple has a base of stable, well-understood code that allows it to add incremental improvements, on a regular basis, for years.

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With OS X, Apple has a base of stable, Unix-based code, making it easy for Apple to plop down small improvements on a regular basis.

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Mac OS X is rapdily developing a fan base of its own.

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But it has turned out to be an important milestone in the platform's development, and the first version of the OS that is suitable for anyone other than Apple's base of early adopters.

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