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====== iOS ======
[[dido:public:ra:xapend:xapend.d_opsys:start| Return to Operating Systems ]]

**iOS** (formerly **iPhone OS**) is a mobile [[dido:public:ra:xapend:xapend.a_glossary:o:os|operating system]] created and developed by Apple Inc. exclusively for its hardware. It is the operating system that powers many of the company's mobile devices, including the iPhone and iPod Touch; it also powered the iPad until the introduction of iPadOS, a derivative of iOS, in 2019. It is the world's second-most widely installed mobile operating system, after Android. It is the basis for three other operating systems made by Apple: iPadOS, tvOS, and watchOS. It is proprietary software, although some parts of it are open source under the Apple Public Source License and other licenses. 

Source: [[https://en.wikipedia.org/wiki/IOS ]]

^   Datasheet  ||
^ Developer               | Apple Inc.   |
^ Written in              | C, C++, Objective-C, Swift, assembly language   |
^ OS family               | Unix-like, based on Darwin (BSD), iOS   |
^ Working state           | Current   |
^ Source model            | Closed, with Open Source Components    |
^ Initial release         | 29 Jun 2007   |
^ Latest release          | 14.2 (18B92) (November 5, 2020) [±] 14.2.1 (18B121) (November 19, 2020) [±] - iPhone 12 and iPhone 12 Pro-only   |
^ Available in            | 40 languages   |
^ Platforms               | ARMv8-A (iOS 7 and later), ARMv7-A (iPhone OS 3 – iOS 10.3.4), ARMv6 (iPhone OS 1 – iOS 4.2.1) |
^ Kernel type             | Hybrid (XNU)   |
^ Default user interface  | Cocoa Touch (multi-touch, GUI)   |
^ License                 | Proprietary software except for open-source components |
^ Official Website        | [[https://www.apple.com/ios/]]   |

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