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projects. They also announced a new driver model called I/O Kit, intended to replace the Driver Kit used in NeXTSTEP citing Driver Kit's lack of power management and hot-swap capabilities and its lack of automatic configuration capability.
1032:(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
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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
1112:
857:, which started in 1994 and was cancelled two years later—Apple began development of Mac OS X, later renamed OS X and then macOS, with the acquisition of
1008:. 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
1083:
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
1044:, would eliminate approximately 2000 troublesome API calls (of about 8000 total) and replace them with calls compatible with a modern OS.
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After the failures of their previous attempts—Pink, which started as an Apple project but evolved into a joint venture with
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like the
Display PostScript windowing system of NeXTSTEP. Apple also announced that the Yellow Box layer had been renamed
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and a collection of
Frameworks (or Kits) that were intended to speed software development. NeXTSTEP originally ran on
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systems by using the same language to draw content on monitors that drew content on printers. NeXT also included
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At the same conference, Apple announced that the Mach side of the kernel had been updated with sources from the
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7.3 (Open Source
Foundation Mach Kernel) and the BSD side of the kernel had been updated with sources from the
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1113:"Apple Extends Rhapsody Developer Release with Mac OS Compatibility Environment, Code-Named "Blue Box""
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allowed Mac OS applications to run within an actual instance of the Mac OS and an integrated
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Please help update this article to reflect recent events or newly available information.
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On
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The first public release of Mac OS X released to consumers was a
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architecture and adding a redesigned user interface based on the
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838:'s decade-long research and development process to replace the
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1185:"Rhapsody Core OS: Intro to the I/O Driver Architecture"
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Additional diagram of macOS architecture (2017 update)
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to the existing ones in
Rhapsody. Key APIs from the
90:. Unsourced material may be challenged and removed.
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890:NeXTSTEP used a hybrid kernel that combined the
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976:operating system. Rhapsody built on NeXTSTEP,
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53:Learn how and when to remove these messages
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204:Learn how and when to remove this message
150:Learn how and when to remove this message
1165:WWDC 2000 Session 106 – Mac OS X: Kernel
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1004:and also made available separately for
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1249:Mac OS X Internals: A Systems Approach
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1209:Levin, Jonathan (September 25, 2019).
1024:A diagram of the Mac OS X architecture
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1246:
1230:*OS Internals, Volume II: Kernel Mode
1228:Levin, Jonathan (October 16, 2019b).
1208:
918:language that they had acquired from
1213:(v1.3.3.7 ed.). Technologeeks.
1087:formatted drive for the first time.
930:processors, but was later ported to
161:
88:adding citations to reliable sources
59:
18:
13:
1211:*OS Internals, Volume I: User Mode
14:
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2441:Operating systems by architecture
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1067:At the 1999 WWDC, Apple revealed
34:This article has multiple issues.
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1232:(v1.0 ed.). Technologeeks.
1172:from the original on 2021-12-21.
1094:released on September 13, 2000.
906:that intended to achieve better
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23:
2054:Apple Push Notification service
1251:. Addison-Wesley Professional.
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1030:Worldwide Developers Conference
75:needs additional citations for
42:or discuss these issues on the
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244:Transition to Intel processors
16:Layers of the operating system
1:
1247:Singh, Amit (June 19, 2006).
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1183:Scott Anguish (1998-05-14).
992:. An emulation layer called
830:describes the layers of the
287:Rhapsody (Developer Release)
7:
2299:System Integrity Protection
1115:. apple.com. Archived from
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912:object-oriented programming
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834:that is the culmination of
249:Transition to Apple silicon
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2001:Remote Install Mac OS X
1865:Bluetooth File Exchange
1111:Apple PR (1997-11-19).
980:the core system to the
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627:Bluetooth File Exchange
99:"Architecture of macOS"
2189:Grand Central Dispatch
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894:kernel developed at
342:Mountain Lion (10.8)
297:Kodiak (Public Beta)
264:List of applications
84:improve this article
2371:Classic Environment
1940:Migration Assistant
1895:Digital Color Meter
1777:Former Applications
1639:Notification Center
914:tools based on the
697:Migration Assistant
527:Notification Center
367:High Sierra (10.13)
332:Snow Leopard (10.6)
219:Part of a series on
2019:Technologies &
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1955:System Information
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1288:Mac OS X Internals
1168:. 14 minutes in.
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1142:"WWDC 98 Summary"
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2023:
2017:
2007:
2004:
2002:
1999:
1997:
1994:
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1989:
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1981:
1977:
1971:
1968:
1966:
1963:
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1951:
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1946:
1945:Script Editor
1943:
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1933:
1931:
1928:
1926:
1925:Image Capture
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1378:
1377:
1375:
1373:
1369:
1366:
1362:
1356:
1353:
1351:
1348:
1346:
1345:Built-in apps
1343:
1341:
1338:
1336:
1333:
1332:
1329:
1325:
1318:
1313:
1311:
1306:
1304:
1299:
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1289:
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1207:
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1186:
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1171:
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1134:
1119:on 1998-12-02
1118:
1114:
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1103:
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1050:
1045:
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1039:
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1031:
1022:
1013:
1011:
1007:
1003:
999:
998:Java platform
995:
991:
987:
983:
979:
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959:
957:
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949:
945:
941:
937:
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771:
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766:
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723:
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698:
695:
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682:Image Capture
680:
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623:
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582:
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560:
558:
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553:
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548:
545:
543:
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538:
535:
533:
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520:
518:
515:
513:
510:
508:
505:
503:
500:
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491:
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481:
478:
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471:
468:
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461:
458:
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453:
451:
448:
446:
443:
441:
438:
436:
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431:
428:
426:
423:
421:
418:
417:
411:
410:
403:
400:
398:
395:
393:
390:
388:
387:Monterey (12)
385:
383:
380:
378:
375:
373:
370:
368:
365:
363:
360:
358:
355:
353:
350:
348:
345:
343:
340:
338:
335:
333:
330:
328:
325:
323:
320:
318:
315:
313:
312:Jaguar (10.2)
310:
308:
305:
303:
300:
298:
295:
293:
290:
288:
285:
284:
278:
277:
270:
269:List of games
267:
265:
262:
260:
259:Built-in apps
257:
255:
252:
250:
247:
245:
242:
240:
237:
236:
230:
229:
226:
223:
222:
218:
217:
208:
205:
190:
178:
173:
164:
163:
154:
151:
143:
132:
129:
125:
122:
118:
115:
111:
108:
104:
101: –
100:
96:
95:Find sources:
89:
85:
79:
78:
73:This article
71:
67:
62:
61:
56:
54:
47:
46:
41:
40:
35:
30:
21:
20:
2407:
2349:Discontinued
2204:Kernel panic
2074:AVFoundation
1979:Discontinued
1910:Disk Utility
1880:Configurator
1747:Former tools
1706:Time Machine
1525:Applications
1482:10.14 Mojave
1472:10.12 Sierra
1415:10.5 Leopard
1405:10.3 Panther
1390:10.0 Cheetah
1340:Architecture
1339:
1278:MacOS Mojave
1248:
1229:
1210:
1203:Bibliography
1189:. Retrieved
1178:
1164:
1162:Magee, Jim.
1157:
1146:. Retrieved
1121:. Retrieved
1117:the original
1106:
1089:
1066:
1046:
1028:At the 1998
1027:
971:
889:
844:
824:
822:
662:Disk Utility
589:Time Machine
414:Applications
402:Sequoia (15)
392:Ventura (13)
382:Big Sur (11)
322:Tiger (10.4)
254:Architecture
253:
200:
187:January 2018
184:
176:
146:
140:January 2018
137:
127:
120:
113:
106:
94:
82:Please help
77:verification
74:
50:
43:
37:
36:Please help
33:
2239:Night Shift
2134:Core OpenGL
2104:Command key
2069:Audio Units
2059:AppleScript
1920:Help Viewer
1733:Instruments
1649:Photo Booth
1594:Game Center
1497:12 Monterey
1400:10.2 Jaguar
1385:Public Beta
1092:Public Beta
916:Objective-C
869:Development
677:Help Viewer
532:Photo Booth
480:Game Center
397:Sonoma (14)
337:Lion (10.7)
307:Puma (10.1)
2435:Categories
2333:Deprecated
2269:Quick Look
2249:Option key
2224:Menu extra
2184:Gatekeeper
2179:Foundation
2154:Cover Flow
2144:Core Video
2129:Core Image
2114:Core Audio
2049:Apple menu
1579:DVD Player
1574:Dictionary
1549:Calculator
1512:15 Sequoia
1502:13 Ventura
1492:11 Big Sur
1410:10.4 Tiger
1380:Server 1.0
1191:2006-10-13
1148:2006-10-13
1123:2006-10-13
1098:References
1002:Yellow Box
836:Apple Inc.
465:DVD Player
460:Dictionary
435:Calculator
110:newspapers
39:improve it
2381:QuickTime
2289:Spotlight
2169:FileVault
2139:Core Text
2119:Core Data
2099:ColorSync
1970:VoiceOver
1930:Installer
1915:Font Book
1875:ColorSync
1870:Boot Camp
1834:Utilities
1789:Front Row
1784:Dashboard
1738:FileMerge
1686:Shortcuts
1669:Reminders
1609:Launchpad
1544:Automator
1539:App Store
1507:14 Sonoma
1436:10.7 Lion
1395:10.1 Puma
920:Stepstone
865:in 1997.
737:VoiceOver
687:Installer
667:Font Book
632:ColorSync
601:Utilities
557:Reminders
552:QuickTime
502:Launchpad
455:Dashboard
425:Automator
420:App Store
45:talk page
2420:Category
2209:Keychain
2089:CloudKit
1960:Terminal
1821:Sherlock
1759:Dashcode
1701:TextEdit
1696:Stickies
1644:Podcasts
1619:Messages
1584:FaceTime
1564:Contacts
1554:Calendar
1372:Mac OS X
1364:Versions
1355:Software
1170:Archived
1085:HFS Plus
1071:, a new
1016:Mac OS X
994:Blue Box
990:Mac OS 8
986:Platinum
974:Rhapsody
962:Rhapsody
956:OpenStep
924:Motorola
892:Mach 2.5
886:NeXTSTEP
880:NeXTSTEP
863:NeXTSTEP
851:Taligent
770:Rhapsody
765:NeXTSTEP
727:Terminal
584:TextEdit
579:Stickies
574:Sherlock
537:Podcasts
512:Messages
470:FaceTime
450:Contacts
440:Calendar
281:Versions
233:Features
2408:Italics
2376:Inkwell
2324:XQuartz
2274:Rosetta
2214:launchd
2079:Bonjour
2034:AirDrop
1885:Console
1814:history
1659:Preview
1599:Grapher
1335:History
1061:OpenBSD
1053:FreeBSD
982:PowerPC
978:porting
944:PA-RISC
908:WYSIWYG
855:Copland
849:called
760:Copland
749:Related
637:Console
565: (
547:Preview
495:history
493: (
485:Grapher
239:History
177:updated
124:scholar
2418:
2386:Spaces
2366:Carbon
2314:WebKit
2294:Stacks
2264:Quartz
2244:OpenCL
2219:Mach-O
2199:iCloud
2159:Darwin
2084:Bundle
2039:AppKit
1809:iTunes
1799:iPhoto
1674:Safari
1654:Photos
1589:Finder
1350:Server
1255:
1236:
1217:
1069:Quartz
1057:NetBSD
1042:Carbon
900:4.3BSD
853:, and
775:Darwin
562:Safari
542:Photos
490:iTunes
475:Finder
126:
119:
112:
105:
97:
2446:MacOS
2391:Xgrid
2356:BootX
2229:Metal
2174:Fonts
2094:Cocoa
1804:iSync
1794:iChat
1725:Xcode
1634:Notes
1629:Music
1559:Chess
1465:macOS
1324:macOS
1081:Cocoa
1077:Adobe
1049:OSFMK
952:SPARC
932:Intel
827:macOS
522:Notes
517:Music
445:Chess
430:Books
225:macOS
131:JSTOR
117:books
2340:HFS+
2194:icns
2164:Dock
2149:CUPS
2064:Aqua
1986:Grab
1691:Siri
1624:News
1614:Mail
1604:Home
1429:OS X
1253:ISBN
1234:ISBN
1215:ISBN
1059:and
946:and
859:NeXT
823:The
672:Grab
507:Mail
103:news
2319:XNU
1034:API
942:'s
936:x86
934:'s
928:68k
926:'s
861:'s
847:IBM
86:by
2437::
1132:^
1055:,
1012:.
950:'
938:,
842:.
48:.
1316:e
1309:t
1302:v
1261:.
1242:.
1223:.
1194:.
1151:.
1126:.
804:e
797:t
790:v
569:)
497:)
207:)
201:(
189:)
185:(
179:.
153:)
147:(
142:)
138:(
128:·
121:·
114:·
107:·
80:.
55:)
51:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
