There Are Things Known, and Things Unknown, and In Between Are the Doors
Jim Morrison



Apple Inc. operating system for a mobile operating system for smartphones, electronic tablets, portable players and other devices (iPhone, iPod touch and iPad).

The current name has been in operation since June 2010, previously the system was known as the iPhone OS. By 2019, 13 iOS versions had been created. The latest version is only available for iPhone and iPod touch. iOS is built on the ARM architecture, Darwin Hybrid nucleus. iOS working environment is Cocoa Touch (Multi- Touch graphical environment).

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