就是将内存当前的状态存储到硬盘上,一般是在系统发生异常的时候才执行的,主要是用来向微软报告错误用的,对于普通使用者没有什么意义 　　下面是微软对这个动作的解释 　　TospecifywhatWindowsdoesifthesystemstopsunexpectedly 　　YoumustbeloggedonasanadministratororamemberoftheAdministratorsgroupinordertocompletethisprocedure.Ifyourcomputerisconnectedtoanetwork,networkpolicysettingsmightalsopreventyoufromcompletingthisprocedure. 　　OpenSysteminControlPanel. 　　OntheAdvancedtab,underStartupandRecovery,clickSettings. 　　UnderSystemFailure,selectthecheckboxesthatcorrespondtotheactionsyouwantWindowstoperformifaStoperroroccurs: 　　Writeaneventtothesystemlogspecifiesthateventinformationwillberecordedinthesystemlog. 　　Sendanadministrativealertspecifiesthatyoursystemadministratorwillbenotified. 　　AutomaticallyrebootspecifiesthatWindowswillautomaticallyrestartyourcomputer. 　　UnderWriteDebuggingInformation,choosethetypeofinformationyouwantWindowstorecordwhenthesystemstopsunexpectedly: 　　SmallMemoryDumprecordsthesmallestamountofinformationthatwillhelpidentifytheproblem.Thisoptionrequiresapagingfileofatleast2MBonthebootvolumeofyourcomputerandspecifiesthatWindowswillcreateanewfileeachtimethesystemstopsunexpectedly.AhistoryofthesefilesisstoredinthedirectorylistedunderSmallDumpDirectory. 　　KernelMemoryDumprecordsonlykernelmemory,whichspeedsuptheprocessofrecordinginformationinalogwhenthesystemstopsunexpectedly.DependingontheamountofRAMinyourcomputer,youmusthave50MBto800MBavailableforthepagingfileonthebootvolume.ThefileisstoredinthedirectorylistedunderDumpFile. 　　CompleteMemoryDumprecordstheentirecontentsofsystemmemorywhenthesystemstopsunexpectedly.IfyouchoosethisoptionyoumusthaveapagingfileonthebootvolumelargeenoughtoholdallofthephysicalRAMplusonemegabyte(MB).ThefileisstoredinthedirectorylistedunderDumpFile.