Mac OS 10.11- EL Captain
Mac OS x v.10.11
Introduction:
OS X El Capitan(version 10.11) is the twelfth major release of OS X (now named macOS), 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, signifying its goal to be a refined version of Yosemite. El Capitan is the final version to be released under the name OS X; its successor, Sierra, was announced as macOS Sierra.
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 July 9, 2015.here were multiple betas released after the keynote. OS X El Capitan was released to end users on September 30, 2015, as a free upgrade through the Mac App Store.
although not all of its features will work on olderFor example, Apple notes that the newly available Metal API is available on "all Macs since 2012".
These computers can run El Capitan, provided they have at least 2GB of RAM:
Following the California landmark-based naming scheme introduced with OS X Mavericks, El Capitan was named after a rock formation in Yosemite National Park, signifying its goal to be a refined version of Yosemite. El Capitan is the final version to be released under the name OS X; its successor, Sierra, was announced as macOS Sierra.
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 July 9, 2015.here were multiple betas released after the keynote. OS X El Capitan was released to end users on September 30, 2015, as a free upgrade through the Mac App Store.
System requirements:
All Macintosh computers that can run Mountain Lion, Mavericks, or Yosemite can run El Capitan,although not all of its features will work on olderFor example, Apple notes that the newly available Metal API is available on "all Macs since 2012".
These computers can run El Capitan, provided they have at least 2GB of RAM:
- iMac: Mid 2007 or newer
- MacBook Aluminum: Late 2008
- MacBook White/Black: Early 2009 or newer
- MacBook Retina: Early 2015 or newer
- MacBook Air: Late 2008 or newer
- MacBook Pro 13-inch: Mid 2009 or newer
- MacBook Pro 15-inch: Mid 2007 or newer
- MacBook Pro 17-inch: Late 2007 or newer
- Mac Mini: Early 2009 or newer
- Mac Pro: Early 2008 or newer
- Xserve: Early 2009
Features
OS X El Capitan includes features to improve the security, performance, design and usability of OS X. Compared to OS X Yosemite, Apple says that opening PDFs is four times faster, app switching and viewing messages in Mail is twice as fast and launching apps is 40% faster.The maximum amount of memory that could be allocated to the graphics processor has been increased from 1024 MB to 1536 MB on Macs with an Intel HD 4000 GPU.
OS X El Capitan supports Metal, Apple's graphics API introduced in iOS 8 to speed up performance in games and professional applications. Apple's typeface San Francisco replaces Helvetica Neue as the system typeface. OS X El Capitan also adopts LibreSSL in replacement of OpenSSL used in previous versions.
Applications
OS X El Capitan adds multi-touch gestures to applications like Mail and Messages that allow a user to delete or mark emails or conversations by swiping a finger on a multi-touch device, such as a trackpad. OS X also analyzes the contents of individual emails in Mail and uses the gathered information in other applications, such as Calendar. For example, an invitation in Mail can automatically be added as a Calendar event.Apple Maps in El Capitan shows public transit information similar to Maps in iOS 9. This feature was limited to a handful of cities upon launch: Baltimore, Berlin, Chicago, London, Los Angeles, Mexico City, New York City, Paris, Philadelphia, San Francisco, Shanghai, Toronto and Washington D.C.
The Notes application receives an overhaul, similar to Notes in iOS 9. Both applications have more powerful text-processing capabilities, such as to-do lists (like in the Reminders application), inline webpage previews, photos and videos, digital sketches, map locations and other documents and media types. Notes replaces traditional IMAP-based syncing with iCloud, which offers better end-to-end encryption and faster syncing.
Safari in El Capitan lets users pin tabs for frequently accessed websites to the tab bar, similar to Firefox and Google Chrome. Users are able to quickly identify and mute tabs that play audio without having to search for individual tabs. Safari supports AirPlay video streaming to an Apple TV without the need to broadcast the entire webpage. Safari extensions are now hosted and signed by Apple as part of the updated Apple Developer program and they received native support for content blocking, allowing developers to block website components (such as advertisements) without JavaScript injection.
Spotlight is improved with more contextual information such as the weather, stocks, news and sports scores. It is also able to process queries in natural language. For example, users can type "Show me pictures that I took in Yosemite National Park in July 2014" and Spotlight will use that request to bring up the corresponding info.
Images:
OS X El Capitan desktop
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| Developer | Apple Inc. | ||||||
|---|---|---|---|---|---|---|---|
| OS family | |||||||
| Source model | Closed source (with open source components) | ||||||
| Released to manufacturing |
September 30, 2015 | ||||||
| Latest release | 10.11.6 (15G1212) / December 13, 2016 | ||||||
| Update method | Mac App Store | ||||||
| Platforms | x86-64 | ||||||
| Kernel type | Hybrid (XNU) | ||||||
| License | APSL and Apple EULA | ||||||
| Preceded by | OS X 10.10 Yosemite | ||||||
| Succeeded by | macOS 10.12 Sierra | ||||||
| Official website | OS X El Capitan at the Wayback Machine (archived September 2, 2016) | ||||||
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