What is iOS?


iOS is Apple’s operating system.

First released in 2007, iOS is written in multiple language and only runs on the company’s products such as iPhones, iPads, and iPods.

After Android, iOS is the most used mobile OS on Earth, available in 40 different languages. It is written in C, C++, Objective-C and Swift. The OS is closed source instead of open source and it is based on the Macintosh OS X.

The first iOS was released in June 2007, when the first generation iPhone was also released by Steve Jobs. In fact, iOS stands for iPhone Operating System.

Before launching the iOS, Apple had to contact Cisco who was the owner of the brand. Cisco’s iPhone was a VoIP-based product launched in 1998.

Cisco rebranded the device’s named to Linksys in 2006, just before Apple announced the iPhone. The dispute between the two companies was only resolved four months before Apple’s launch in June 2007.

Further versions of the OS have been released in July 2008, June 2009, June 2010, December 2011, September 2012, December 2013 and September 2014.


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