IOS training in ahmedabad - Ahmedabad

iOS (formerly iPhone OS)^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-7">[7]</a>} is a <a title="Mobile operating system" href="https://en.wikipedia.org/wiki/Mobile_operating_system">mobile operating system</a> developed by <a title="Apple Inc." href="https://en.wikipedia.org/wiki/Apple_Inc.">Apple</a> exclusively for <a class="mw-redirect" title="List of iOS devices" href="https://en.wikipedia.org/wiki/List_of_iOS_devices">its smartphones</a>. It was unveiled in January of 2007 for the <a title="IPhone (1st generation)" href="https://en.wikipedia.org/wiki/IPhone_(1st_generation)">first-generation iPhone</a>,^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-8">[8]</a>} launched in June 2007.

It is the operating system that powers many of the company's mobile devices, including the <a title="IPhone" href="https://en.wikipedia.org/wiki/IPhone">iPhone</a>. It was also used on <a title="IPad" href="https://en.wikipedia.org/wiki/IPad">iPads</a> (introduced: January 2010; availability: April 2010) until <a title="IPadOS" href="https://en.wikipedia.org/wiki/IPadOS">iPadOS</a> was introduced in 2019, and on the <a title="IPod Touch" href="https://en.wikipedia.org/wiki/IPod_Touch">iPod Touch</a> devices, which were discontinued in mid-2022.^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-9">[9]</a>} It is the world's second-most widely installed mobile operating system, after <a title="Android (operating system)" href="https://en.wikipedia.org/wiki/Android_(operating_system)">Android</a>. It is the basis for three other operating systems made by Apple: iPadOS, <a title="TvOS" href="https://en.wikipedia.org/wiki/TvOS">tvOS</a>, and <a title="WatchOS" href="https://en.wikipedia.org/wiki/WatchOS">watchOS</a>.^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-10">[10]</a>}

As of December 2023, Apple's <a class="mw-redirect" title="App Store (iOS)" href="https://en.wikipedia.org/wiki/App_Store_(iOS)">App Store</a> contains more than 3.8 million iOS applications.^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-11">[11]</a>} These <a title="Mobile app" href="https://en.wikipedia.org/wiki/Mobile_app">mobile apps</a> have collectively been downloaded more than 130 billion times.

iOS is based on <a title="MacOS" href="https://en.wikipedia.org/wiki/MacOS">macOS</a>. Like macOS, it includes components of the <a title="Mach (kernel)" href="https://en.wikipedia.org/wiki/Mach_(kernel)">Mach microkernel</a> and <a title="FreeBSD" href="https://en.wikipedia.org/wiki/FreeBSD">FreeBSD</a>.^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-12">[12]</a><a href="https://en.wikipedia.org/wiki/IOS#cite_note-13">[13]</a>} It is a <a title="Unix-like" href="https://en.wikipedia.org/wiki/Unix-like">Unix-like</a> operating system. Although some parts of iOS are open source under the <a title="Apple Public Source License" href="https://en.wikipedia.org/wiki/Apple_Public_Source_License">Apple Public Source License</a>^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-14">[14]</a>} and other licenses,^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-15">[15]</a>} iOS is proprietary software.^{<a href="https://en.wikipedia.org/wiki/IOS#cite_note-16">[16]</a><a href="https://en.wikipedia.org/wiki/IOS#cite_note-17">[17]</a>}

Major versions of iOS are released a