What is OS X El Capitan?
[[Image:OS X El Capitan logo.svg|right|250px]] '''OS X El Capitan''' ({{IPAc-en|ɛ|l|_|ˌ|k|æ|p|ᵻ|ˈ|t|ɑː|n}} {{respell|el|KAP|i|TAHN}}) (version 10.11) is the twelfth [[software versioning|major release]] of [[macOS|OS X (now named macOS)]], [[Apple Inc.]]'s desktop and [[server (computing)|server]] operating system for [[Macintosh]] computers. It was released after [[OS X Yosemite]] and focuses mainly on performance, stability and security.<ref>{{cite web|url=http://recode.net/2015/06/08/apple-announces-os-x-el-capitan-with-focus-on-performance-experience/|title=Apple Announces OS X El Capitan, With Focus on Performance, Experience|author=Bonnie Cha|work=Re/code|url-status=live|archive-url=https://web.archive.org/web/20150609015552/http://recode.net/2015/06/08/apple-announces-os-x-el-capitan-with-focus-on-performance-experience/|archive-date=June 9, 2015|df=mdy-all}}</ref> Starting with [[OS X Mavericks]], future operating systems of OS X were named after regions of [[Northern California]]. El Capitan was named after a [[El Capitan|rock formation]] in [[Yosemite National Park]], to highlight a refined version of its predecessory, [[OS X Yosemite]].{{Citation needed|date=December 2018}} El Capitan is the final version to be released under the name OS X. Its successor, Sierra, was announced as [[macOS Sierra]]. El Capitan received much better reviews when compared to Yosemite. The first beta of OS X El Capitan was released to developers shortly following the [[WWDC 2015|WWDC]] keynote on June 8, 2015.<ref>{{Cite web|title = Apple refines its computer software further with Mac OS X 'El Capitan'|url = https://news.yahoo.com/apple-refines-computer-software-further-174539689.html|access-date = June 8, 2015|url-status = live|archive-url = https://web.archive.org/web/20150610065955/http://news.yahoo.com/apple-refines-computer-software-further-174539689.html|archive-date = June 10, 2015|df = mdy-all}}</ref> The first public beta was made available on July 9, 2015.<ref>{{cite web|url=https://arstechnica.com/apple/2015/07