unix学习宝典new

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1、PsychoticsUnixBibleWritenbyVirtualCircuit*PsychoticsUnixBiblewritenbyVirtualCircuit.Thisdocumentmaynotbechangedinany**way.Youmaydistributethisunixbibleasmuchasyoulike,Iwroteitasareferenceforthe**publicandthatshowIwantittoremain.Anyquestionsyouhaveregardingthiste

2、xtyoumay**reachmeatrhat@cts.com.*Alistofcommandsandaquickdescriptionalias........thisallowstheuserviewthecurrentaliasesawk........thisallowstheusertosearchforapatternwithinafilebdiff.........comparestwolargefilesbfs..........scansalargefilecal.........showsacale

3、ndarcat.........concatenatesandprintsafilecc.........ccompilercd........changesdirectorieschgrb.........changesafilegroupsownershipchmod.......changesthepermissiononafilechown..........changestheindividualownershipofafilecmp.........compairstwofilescomm.........

4、.comparestwofilessoastodeterminewhichlinesarecommontobothcp..........copiesfiletoanotherlocationcu.........callsanotherunixsysytemdate..........returnsthedateandtimedf.........showsallmounteddrivesonyourmachinediff.........displaysthediferencebetweentwofilesdu..

5、.......showsthediskusageinblocksforadirectoryecho........echoesthedatatothescreenorfileed........texteditorenv.........liststhecurrentenvironmentvariablesex........anothertexteditorexpr........evaluatesamathmaticalformulafind........findsafilef77..........fortra

6、ncomplierformat........initializesafloppydiskgrep.........searchesforapatternwithinafilehelp.........giveshelpkill........stopsarunningprocessln........createsalinkbetweentwofileslpr.........copiesthefiletothelineprinterls.........liststhefilesinadirectorymail..

7、......allowstheusertosend/receivemailmkdir..........makesdirectorymore.........displaysadatafiletothescreenmv...........usedtomoveorrenamefilesnohup........allowsacommandtocontinuerunningevenwhenyoulogoutnroff.........usedtoformattextpasswd........changesyourpas

8、swordpkgadd.........installsanewprogramontoyourmachineps...........Liststhecurrentprocessesrunningpwd........displaysthenameoftheworkingdirectoryrm........removesfile