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1、毕业设计外文资料翻译(译文)题目名称:EmbeddedLinuxapplications:Anoverview学院:计算机科学技术专业年级:计算机科学与技术07级学生姓名:xx班级学号:1班16号指导教师:xx二○一一年四月十日译文题目:EmbeddedLinuxapplications:Anoverview原文题目:嵌入式Linux应用:概述原文出处:Internetsource:http://www.ibm.com/developer--works/cn/linux/embed/embl/overview/index.htm
2、lEmbeddedLinuxapplications:AnoverviewLinuxnowspansthespectrumofcomputingapplications,includingIBM'stinyLinuxwristwatch,hand-helddevices(PDAsandcellphones),Internetappliances,thinclients,firewalls,industrialrobotics,telephonyinfrastructureequipment,andevencluster-base
3、dsupercomputers.Let'stakealookatwhatLinuxhastoofferasanembeddedsystem,andwhyit'sthemostattractiveoptioncurrentlyavailable.One.EmergenceofembeddedsystemsThecomputersusedtocontrolequipment,otherwiseknownasembeddedsystems,havebeenaroundforaboutaslongascomputersthemselve
4、s.Theywerefirstusedbackinthelate1960sincommunicationstocontrolelectromechanicaltelephoneswitches.Asthecomputerindustryhasmovedtowardeversmallersystemsoverthepastdecadeorso,embeddedsystemshavemovedalongwithit,providingmorecapabilitiesforthesetinymachines.Increasingly,
5、theseembeddedsystemsneedtobeconnectedtosomesortofnetwork,andthusrequireanetworkingstack,whichincreasesthecomplexitylevelandrequiresmorememoryandinterfaces,aswellas,youguessedit,theservicesofanoperatingsystem.Off-the-shelfoperatingsystemsforembeddedsystemsbegantoappea
6、rinthelate1970s,andtodayseveraldozenviableoptionsareavailable.Outofthese,afewmajorplayershaveemerged,suchasVxWorks,pSOS,Neculeus,andWindowsCE.Two.Advantages/disadvantagesofusingLinuxforyourembeddedsystemAlthoughmostLinuxsystemsrunonPCplatforms,Linuxcanalsobeareliable
7、workhorseforembeddedsystems.Thepopular"back-to-basics"approachofLinux,whichmakesiteasierandmoreflexibletoinstallandadministerthanUNIX,isanaddedadvantageforUNIXguruswhoalreadyappreciatetheoperatingsystembecauseithasmanyofthesamecommandsandprogramminginterfacesastradit
8、ionalUNIX.Thetypicalshrink-wrappedLinuxsystemhasbeenpackagedtorunonaPC,withaharddiskandtonsofmemory,muchofwhichisnotneededonanembed