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Guy Harris (talk | contribs) Just note the name changes in passing; they're not *so* important that they need a separate note in a separate paragraph. |
GreenC bot (talk | contribs) Rescued 1 archive link; reformat 1 link. Wayback Medic 2.5 per WP:USURPURL and JUDI batch #27ai |
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{{short description|Layers of the operating system}}
{{Multiple issues|
{{more citations needed|date=January 2018}}
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{{macOS sidebar}}
[[File:MacOS Architecture.svg|thumb|400px|Additional diagram of macOS architecture (2017 update)]]
The '''architecture of [[macOS]]''' describes the layers of the [[operating system]] that is the culmination of [[Apple Inc.]]'s
After the failures of their previous attempts—Pink, which started as an Apple project but evolved into a joint venture with [[IBM]] called [[Taligent]], and [[Copland (operating system)|Copland]], which started in 1994 and was cancelled two years later—Apple began development of Mac OS X, later renamed OS X and
==Development==
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At the 1998 [[Worldwide Developers Conference]] (WWDC), Apple announced a move that was intended as a response to complaints from Macintosh software developers who were not happy with the two options (Yellow Box and Blue Box) available in Rhapsody. Mac OS X would add another developer [[API]] to the existing ones in Rhapsody. Key APIs from the [[Macintosh Toolbox]] would be implemented in Mac OS X to run directly on the BSD layers of the operating system instead of in the emulated Macintosh layer. This modified interface, called [[Carbon (API)|Carbon]], would eliminate approximately 2000 troublesome API calls (of about 8000 total) and replace them with calls compatible with a modern OS.<ref name="anguish99summary">{{cite web | url=http://www.stepwise.com/SpecialCoverage/WWDC98/Summary.html | title=WWDC 98 Summary | author=Scott Anguish | date=May 1998 | publisher=stepwise.com | access-date=2006-10-13}} {{Dead link|date=October 2010|bot=H3llBot|fix-attempted=yes}}</ref>
At the same conference, Apple announced that the Mach side of the kernel had been updated with sources from the [[OSFMK]] 7.3 (Open Source Foundation's
At the 1999 WWDC, Apple revealed [[Quartz (graphics layer)|Quartz]], a new [[Portable Document Format]] (PDF) based windowing system for the operating system that was not encumbered with licensing fees to [[Adobe Systems|Adobe]] like the Display PostScript windowing system of NeXTSTEP. Apple also announced that the Yellow Box layer had been renamed [[Cocoa (API)|Cocoa]] and began to move away from their commitment to providing the Yellow Box on Windows. At this WWDC, Apple also showed Mac OS X booting off of a [[HFS Plus]] formatted drive for the first time.
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==References==
{{reflist}}
=== Bibliography ===
* {{Cite book |last=Levin |first=Jonathan |title=*OS Internals, Volume I: User Mode |edition=v1.3.3.7 |date=September 25, 2019 |publisher=Technologeeks |isbn=978-0-9910555-6-2 |language=en}}
* {{Cite book |last=Levin |first=Jonathan |title=*OS Internals, Volume II: Kernel Mode |edition=v1.0 |date=October 16, 2019b |publisher=Technologeeks |isbn=978-0-9910555-7-9 |language=en}}
* {{Cite book |last=Singh |first=Amit |url= |title=Mac OS X Internals: A Systems Approach |date=June 19, 2006 |publisher=Addison-Wesley Professional |isbn=978-0-13-270226-3 |language=en}}
==External links==
*[https://www.apple.com/macos/ Official Website]
*{{usurped|1=[https://web.archive.org/web/20200726095434/https://gadgetraja.com/macos-mojave-a-much-better-functional-experience/ MacOS Mojave]}}
*[https://arstechnica.com/apple/2014/10/os-x-10-10/ Mac OS X Reviews]
*[http://www.osxbook.com/ Mac OS X Internals]
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