===== Apple: iOS =====
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The iOS kernel is used in the iPhone, iPad and iPod. It uses the XNU((The OS X kernel. The acronym stands for X is Not Unix. XNU combines the functionality of Mach and BSD with the I/O Kit, the driver model for OS X [[https://developer.apple.com/library/archive/documentation/Porting/Conceptual/PortingUnix/glossary/glossary.html | Apple Developer Glossary: XNU ]]
)) kernel of [[dido:public:ra:xapend:xapend.b_stds:defact:apple:darwin| Darwin]] ((Another name for the core of the OS X operating system. The Darwin kernel is equivalent to the OS X kernel plus the BSD libraries and commands essential to the BSD command-line environment. Darwin is open source technology. [[https://developer.apple.com/library/archive/documentation/Porting/Conceptual/PortingUnix/glossary/glossary.html | Apple Developer Glossary: Darwin ]]
)).

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