That is to say Apple, in comparison to its competitors making PCs, has an ecosystem of hardware connected by its own software, iOS, iTunes, and Mac OS X.
这就是说苹果和其他PC 制造商相比，有着一套与硬件相连接的自有软件、iOS、iTunes 以及Mac OS X 的生态系统。
Nobody else, he said, does things that way; they tend to have different small-system and large-system kernels - iOS and Mac OS, for example.
他说，没有其他人能做到。 他们倾向于区分小系统内核和大系统内核——比如iOS和Mac OS。
Even if you’re not currently troubleshooting a Mac or iOS device, this is information that is useful to have in one place, both for you and for Apple, when it comes time to call the Support line.
即使你现在的苹果电脑或iOS设备没问题，当你需要拔打服务热线时，这些信息无论对你还是苹果，都是有用的。
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