《aix系统应用基础》02usingthesystem

CopyrightIBMCorporation2008,Unit2UsingtheSystem,CopyrightIBMCorporation2008,UnitObjectives,Aftercompletingthisunit,youshouldbeableto:LoginandoutofthesystemStatethestructureofAIXcommandsExecutebasicAIXcommandsUseAIXcommandstocommunicatewithotherusers,CopyrightIBMCorporation2008,LoggingInandOut,ToLogin:ToLogout:,login:team01team01sPassword:(thepassworddoesnotappear)$,$(or)$exit(or)$logoutlogin:,CopyrightIBMCorporation2008,Passwords,CreatingorChanging:,$passwdChangingpasswordforteam01team01sOldpassword:team01sNewpassword:Enterthenewpasswordagain:$,CopyrightIBMCorporation2008,CommandFormat,AIXcommandshavethefollowingformat:$commandoption(s)argument(s),$ls$lsl$ls/dev$lsl/dev,CopyrightIBMCorporation2008,THEREAREEXCEPTIONS!,CommandFormatExamples,WRONG:1.Separation:$mail-fnewmail$who-u2.Order:$mailnewmail-f$team01mail$-uwho3.MultipleOptions:$who-m-u$who-mu4.MultipleArguments:$mailteam01team02,RIGHT:1.Separation:$mail-fnewmail$who-u2.Order:$mail-fnewmail$mailteam01$who-u3.MultipleOptions:$who-m-u$who-mu4.MultipleArguments:$mailteam01team02,CopyrightIBMCorporation2008,ThedateandcalCommands,Checkingthedate:Lookingatamonth:Lookingatayear:,$dateWedNov1410:15:00GMT2007$,$cal12003January2003SunMonTueWedThuFriSat12345678910111213141516171819202122232425262728293031,$cal2007,CopyrightIBMCorporation2008,Theclear,echo,andbannerCommands,clear:Clearstheterminalscreenecho:Writeswhatfollowstothescreenbanner:Writescharacterstringsinlargeletterstothescreen,$clear,$echoLunchisat12:00Lunchisat12:00$,$bannerHello,CopyrightIBMCorporation2008,Activity:QuestionsandAnswers,Whatswrongwiththefollowingcommands?$du-sk_$df-k_$du-a-k_Whichcommand.changesyourpassword?_.clearsthescreen?_.printsoutthecurrentsystemdate?_.exitsthecurrentshell?_,CopyrightIBMCorporation2008,ThewhoandfingerCommands,Findingwhoisonthesystem:Findingwhoyouare:Displayinginformationabouttheuserscurrentlyloggedon:,$whorootlft0Sept414:29team01pts/0Sept417:21,$whoamiteam01pts/0Sept417:21$whoamiteam01,$fingerteam02Loginname:team02Directory:/home/team02Shell:/usr/bin/kshOnsinceMar0416:17:10ontty3NoPlan.,CopyrightIBMCorporation2008,SendingMail,$mailteam01Subject:MeetingTherewillbeabriefannouncementmeetingtodayinroom602atnoon.Cc:$,$mailteam20sys2Subject:DontForget!Dontforgetaboutthemeetingtoday!Cc:$,CopyrightIBMCorporation2008,ReceivingMail,YOUHAVENEWMAIL$mailMail5.2UCBAIX5.XType?forhelp/var/spool/mail/team01:2messages1newU1team05TueJan710:5010/267Hello!N2team02WedJan811:2516/311Meeting?t2Fromteam02WedJan811:252003Date:Wed8Jan200311:25From:team02To:team01Subject:MeetingCc:Therewillbeabriefannouncementmeetingtodayinroom602atnoon.?d(Deletemessage)?q(Quitmailcommand),CopyrightIBMCorporation2008,ThewriteandwallCommands,Sendmessagestootherusersonasystemwriteprovidesconversation-likecommunicationwithanotherlogged-inuser.Eachuseralternativelysendsandreceivesmessages.Thewallcommandwritestoallterminals.Thisisusefultonotifyallusersofasystemevent:,$writeteam01(or)$writesarahmoon,$wallThesystemwillbeinactivefrom10pmtoday.Broadcastmessagefromteam01sys1(pts/1)at15:11:58Thesystemwillbeinactivefrom10pmtoday.$,CopyrightIBMCorporation2008,$talkfred(userjohnrequeststheconnection),(toaccepttheinvitationfredenters:),talkwithAnotherUser,CopyrightIBMCorporation2008,mesg,Themesgcommandcontrolswhetherotherusersonthesystemcansendmessagestoyou:,team01$mesgThecurrentstatusisy.team01$mesgnteam01$,team02$writeteam01write:0803-031Permissiondenied.team02$,CopyrightIBMCorporation2008,CorrectsmistakesTerminatesthecurrentcommandandreturnstotheshellEndoftransmissionorendoffileTemporarilystopsoutputtothescreenResumesoutput(stoppedbyCtrl-s)Erasestheentireline,KeyboardTips,CopyrightIBMCorporation2008,Checkpoint,WhatisthecorrectcommandsyntaxinAIX?$mailnewmailf$mailfnewmail$-fmail$mail-fnewmailWhatcommandwouldyouusetosendmailitems?Whatareothercommandsthatcanbeusedtocommunicatewithotherusers?Whatoutputwouldyouexpectfromthefollowingcommand:cal8?Whichcommandwouldyouusetofindoutwhenaparticularuserloggedin?$whoami$who$fingereveryone$fingerusername,CopyrightIBMCorporation2008,CheckpointSolutions,WhatisthecorrectcommandsyntaxinAIX?$mailnewmailf$mailfnewmail$-fmail$mail-fnewmailWhatcommandwouldyouusetosendmailitems?mailusernameWhatareothercommandsthatcanbeusedtocommunicatewithotherusers?talk,write,andwallWhatoutputwouldyouexpectfromthefollowingcommand:cal8?Thecalendarfortheyear8ADWhichcommandwouldyouusetofindoutwhenaparticularuserloggedin?$whoami$who$fingereveryone$fingerusername,CopyrightIBMCorporation2008,Exercise:UsingTheSystem,CopyrightIBMCorporation2008,UnitSu