OS X 10.11

OS X version 10.11, also known as "El Capitan" (el-kap-ɪ-tan), is the twelfth major release of OS X, Apple Inc.'s desktop and server operating system for Macintosh computers. It is the successor to OS X Yosemite and focuses mainly on performance, stability and security. Following the California landmark-based naming scheme introduced with OS X Mavericks, El Capitan was named after a rock formation in Yosemite National Park.
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==Development and release==
The first beta of OS X El Capitan was released to developers shortly following the 2015 WWDC keynote on June 8, 2015. The first public beta was made available on the following July 9th. OS X El Capitan was officially launched on September 30, 2015, as a free upgrade through the Mac App Store.
==References==
*Apple Announces OS X El Capitan with Refined Experience & Improved Performance, Apple Inc. 2015-06-08.
==External links==
*OS X El Capitan at Apple (archived 2015-10-02)
**OS X El Capitan - Technical Specifications at Apple Support (2021-03-23)
**How to get old versions of macOS (2021-06-11)
* at Wikipedia
Category:OS X 10.11
Category:Landmarks
Category:2015 introductions
Category:Discontinued Apple software
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