linux大学毕业论文外文文献翻译及原文

《linux大学毕业论文外文文献翻译及原文》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、毕业设计（论文）外文文献翻译文献、资料中文题目：Linux文献、资料英文题目：文献、资料来源：文献、资料发表（出版）日期：院（部）：专业：班级：姓名：学号：指导教师:翻译日期:2017.02.141.1.HistoryInordertounderstandthepopularityofLinux,weneedtotravelbackintime,about30yearsago...Imaginecomputersasbigashouses,evenstadiums.Whilethesizesofthosecompute

2、rsposedsubstantialproblems，therewasonethingthatmadethisevenworse:everycomputerhadadifferentoperatingsystem.Softwarewasalwayscustomizedtoserveaspecificpurpose,andsoftwareforonegivensystemdidn’trunonanothersystem.Beingabletoworkwithonesystemdidn’tautomaticallymean

3、thatyoucouldworkwithanother.Itwasdifficult,bothfortheusersandthesystemadministrators.Computerswereextremelyexpensivethen，andsacrificeshadtobemadeevenaftertheoriginalpurchasejusttogettheuserstounderstandhowtheyworked.ThetotalcostofITwasenormous.Technologicallythe

4、worldwasnotquitethatadvanced，sotheyhadtolivewiththesizeforanotherdecade.In1969,ateamofdevelopersintheBellLabslaboratoriesstartedworkingonasolutionforthesoftwareproblem,toaddressthesecompatibilityissues.Theydevelopedanewoperatingsystem，whichwassimpleandelegantwri

5、ttenintheCprogramminglanguageinsteadofinassemblycodeabletorecyclecode.TheBellLabsdevelopersnamedtheirproject’’UNIX."Thecoderecyclingfeatureswereveryimportant.Untilthen，allcommerciallyavailablecomputersystemswerewritteninacodespecificallydevelopedforonesystem.UNI

6、Xontheotherhandneededonlyasmallpieceofthatspecialcode，whichisnowcommonlynamedthekernel.ThiskernelistheonlypieceofcodethatneedstobeadaptedforeveryspecificsystemandformsthebaseoftheUNIXsystem.Theoperatingsystemandallotherfunctionswerebuiltaroundthiskernelandwritte

7、ninahigherprogramminglanguage，C.ThislanguagewasespeciallydevelopedforcreatingtheUNIXsystem.Usingthisnewtechnique,itwasmucheasiertodevelopanoperatingsystemthatcouldrunonmanydifferenttypesofhardware.Thesoftwarevendorswerequicktoadapt，sincetheycouldselltentimesmore

8、softwarealmosteffortlessly.Weirdnewsituationscameinexistence:imagineforinstancecomputersfromdifferentvendorscommunicatinginthesamenetwork，orusersworkingondifferentsys