Mac.OS.X.Internals.-.A.Systems.Approach.pdf

Mac.OS.X.Internals.-.A.Systems.Approach.pdf
Mac.OS.X.Internals.-.A.Systems.Approach.pdf文档摘要：MacOSXwasreleasedinMarch2001,butmanycomponents,suchasMachandBSD,areconsiderablyolder.Understandingthedesign,implementation,andworkingsofMacOSXrequiresexaminationofseveraltechnologiesthatdifferintheirage,origins,philosophies,androles.MacOSXInternals:ASystemsApproachisthefirstbookthatdissectstheinternalsofthesystem,presentingadetailedpicturethatgrowsincrementallyasyouread.Forexample,youwilllearntherolesofthefirmware,thebootloader,theMachandBSDkernelcomponents(includingtheprocess,virtualmemory,IPC,andfilesystemlayers),theobject-orientedI/OKitdriverframework,userlibraries,andothercorepiecesofsoftware.Youwilllearnhowthesepiecesconnectandworkinternally,wheretheyoriginated,andhowtheyevolved.ThebookalsocoversseveralkeyareasoftheIntel-basedMacintoshcomputers.Asolidunderstandingofsysteminternalsisimmenselyusefulindesign,development,anddebuggingforprogrammersofvariousskilllevels.Systemprogrammerscanusethebookasareferenceandtoconstructabetterpictureofhowthecoresystemworks.Applicationprogrammerscangainadeeperunderstandingofhowtheirapplicationsinteractwiththesystem.SystemadministratorsandpoweruserscanusethebooktoharnessthepoweroftherichenvironmentofferedbyMacOSX.Finally,membersoftheWindows,Linux,BSD,andotherUnixcommunitieswillfindthebookvaluableincomparingandcontrastingMacOSXwiththeirrespectivesystems.MacOSXInternalsfocusesonthetechnicalaspectsofOSXandissofullofextremelyusefulinformationandprogrammingexamplesthatitwilldefinitelybecomeamandatorytoolforeveryMacOSXprogrammer.