Architecture of macOS: Difference between revisions

Revision as of 01:48, 15 September 2015

Revision as of 01:09, 7 September 2016

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{{main|Rhapsody (operating system)}}

On February 4, 1997, Apple acquired NeXT and began development of the [[Rhapsody (operating system)|Rhapsody]] operating system. Rhapsody built on NeXTSTEP, [[porting]] the core system to the [[PowerPC]] architecture and adding a redesigned user interface based on the [[Platinum (theme)|Platinum]] user interface from [[Mac OS 8]]. An emulation layer called [[Classic (Mac OS X)|Blue Box]] allowed Mac OS applications to run within an actual instance of the Mac OS and an integrated [[Java platform]].<ref>{{cite web | url=http://product.info.apple.com/pr/press.releases/1998/q1/971119.pr.rel.macos.html | title=Apple Extends Rhapsody Developer Release with Mac OS Compatibility Environment, Code-Named "Blue Box" | date=1997-11-19 | author=Apple PR | publisher=apple.com | accessdate=2006-10-13 |archiveurl = httphttps://web.archive.org/web/19981202202310/http://product.info.apple.com/pr/press.releases/1998/q1/971119.pr.rel.macos.html |archivedate = 1998-12-02}}</ref> The Objective-C developer tools and Frameworks were referred to as the [[Cocoa (API)|Yellow Box]] and also made available separately for [[Microsoft Windows]]. The Rhapsody project eventually bore the fruit of all Apple's efforts to develop a new generation Mac OS, which finally shipped in the form of [[Mac OS X Server]].

===Mac OS X===