实验 主机环境.docx

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实验 主机环境.docx

实验主机环境

实验主机环境熟悉,JCL的应用

1.实验目的和要求

目的:

熟悉IBM个人通讯软件的安装,配置;连接至主机,主机上的基本操作,数据集的创建;并且会编写简单的JCL作业。

2.实验内容:

(1)PCOMM软件的安装配置;

(2)主机操作系统的登录与登出;

(3)主机操作系统的简单使用(页面跳转,快捷键等);

(4)主机数据集的创建和相关操作;

(5)JCL作业的编写,执行,查看结果等;

3.实验流程

1.1PCOMM软件的安装与配置,系统的登陆

主机的TSO(TimeSharingOption)可以允许多个用户同时连接到主机进行操作。

用户使用TSO有从登录(LOGON)到注销(LOGOFF)的过程被称为终端会话期间(TerminalSession),即一次登录到注销之间的时间。

每个用户登录后,系统会为用户开辟一个虚拟空间即一个地址空间(AddressSpace),也就是我们常说的一个虚存的大小,并提供一个菜单驱动的接口给用户,使得用户能够方便快捷的使用操作系统,与主机操作系统z/OS进行交互。

Step1:

首先要安装了Pcom软件:

Step2:

安装完成之后,在安装程序中选择“IBM个人通信”再选择“启动配置会话”,如下图所示。

Step2:

启动配置之后,选择“新建会话”

Step3:

点击“新建会话参数”之后,弹出以下配置向导,确认一下参数:

1.主机类型:

zSerise;

2.接口:

LAN;

3.连接:

Telnet3270;

选定这些参数之后开始进入会话参数配置,点击按钮“会话参数(S)…..”

Step4:

在“绘画参数”配置界面,进行如下选择:

1.屏幕大小可选择“24×80、32×80、43×80”;

2.会话类型:

选择“显示”;

3.主机代码页:

推荐使用“037美国”;

4:

点击“确定”。

Step5:

点击“确定”之后将回到上一界面这里选择“链路参数配置”

Step6:

在链路参数配置中,需要填写主机的IP及其端口号,其余参数均选择默认值如下,并点击“确认”

Step7:

到此保存本次新建的配置,完成客户端3270访问方式的配置,此时在控制台即可连接至主机,出现下面的界面则表示连接成功,主机发送一个界面给虚拟终端,在这里可以输入“logonusername”.

回车后,出现下图,可以输入密码,注意如果是管理员为te002这个用户修改了密码,te002第一次登陆的时候,则要求修改密码,此时需要在输入新密码,确认修改才可以。

注:

这里的回车是:

右CTRL

上面的密码输入后,两次回车,进入后的主界面如下图所示:

在主菜单选项下,可以通过选项来操作菜单,如3.4可以进入数据集列表界面,m.5可以进入SDSF等等。

在ISPF下,在任何菜单下,如果要退出系统,只要多次按下F3,则会退到TSO界面下,如果在退回到TSO界面之前出现下图,则给出如图的选项,在回车,即可回到TSO,在TSO下,输入命令:

logoff则断开终端与主机系统的连接。

1.2基本操作练习

1.2.1实验一Loggingontoz/OSandenteringTSOcommands

Establisha3270connectionwithz/OSusingaworkstation3270emulatorandlogonwithyouruserID(yourid).FromtheTSOREADYprompt(=xwillexitoutofISPF),enterthefollowingcommands:

1.PROFILE

Whatistheprefixvalue?

Makeanoteofthis;itisyouruserIDonthesystem.

2.PROFILENOPREFIX

SpecifyingPROFILEPREFIX(withavalue)orNOPREFIX(byitself)tellsthesystemwhethertouseavalue(suchasyouruserIDtofindfilesinthesystem.NOPREFIXtellsthesystemnottobotherlimitingtheresultstofilesbeginningwithyouruserID(forexample)asitwouldotherwisedobydefault.

3.LISTC

TheLISTCATcommand(orLISTC,forshort)liststhedatasetsinaparticularcatalog(wediscusscatalogsinthenextchapter).Your3270emulatorincludesaPA1(attention)key.FindthePA1keyinyouremulatoranduseittoendthecommandoutput.Notethatthreeasterisks(***)atthebottomofthescreenindicatesafullscreen;pressEnterorPA1toclearit.

4.PROFILEPREFIX(yourid)

ThiscommandspecifiesthatyouruserIDistobeprefixedtoallnon-fully-qualifieddatasetnames.Thiswillfiltertheresultsofthenextcommand:

5.LISTCISPF

Whatisdisplayed?

1.2.2实验二NavigatingthroughtheISPFmenuoptions

FromtheISPFPrimaryOptionMenu,dothefollowing:

1.SelectUtilities,thenselectDslistfromtheUtilitySelectionPanel.

2.EnterSYS1ontheDsnameLevelinputfieldandpressEnter.Whatisdisplayed?

UsePF8topagedownorforward,PF7topageuporbackward,PF10toshiftleftandPF11toshiftright.ExitwithPF3.

3.EnterSYS1.PROCLIBonDsnameLevelinputfieldandpressEnter.Whatisdisplayed?

4.Entervinthecommandcolumn(leftof)SYS1.PROCLIB.Thisisapartitioneddatasetwithnumerousmembers.Placeanstotheleftofanymembertoselectthememberforviewing.PressPF1.Whatspecifichelpisprovided?

5.Enter=0ontheISPFcommandoroptionline.WhatisthefirstoptionlistedinthisISPFSettingspanel?

Changeyoursettingstoplacecommandlineattopofthepanel(oratthebottomofpanel,iftheyarecurrentlydisplayedatthetop).ThischangeiseffectiveonexitfromtheSettingspanel.

6.EnterPFSHOWOFFandthenPFSHOWON.Whatisthedifference?

Howisthisuseful?

7.ExitbacktotheISPFPrimaryOptionMenu.WhatvalueisusedtoselectUtilities?

SelectUtilities.

8.IntheUtilitiesSelectionPanel,whatvalueisusedtoselectDslist?

ExitbacktotheISPFPrimaryOptionMenu.Ontheoptionline,entertheUtilitiesselectionvaluefollowedbyaperiod,thenentertheDslistselectionvalue.Whatpanelisdisplayed?

9.ExitbacktotheISPFPrimaryOptionMenu.PlacethecursorontheStatusentryattheverytopofthepanelandpressEnter.SelecttheCalendarvalueandpressEnter,thenselecttheSessionvalue.Whatchanged?

1.2.3实验三UsingtheISPFeditor

FromtheISPFPrimaryOptionMenu,dothefollowing:

1.GotoDslistUtilityPanelandenteryourid.JCLintheDsnameLevelfield.(yourid.JCLshouldbecreatedfirstly)

2.Placee(edit)totheleftofyourid.JCL.Places(select)totheleftofmember

EDITTEST.EnterPROFILEontheeditcommandline,observethedataisprecededbyprofileandmessagelines.Readtheprofilesettingsandmessages,thenenterRESETonthecommandline.Whatistheresult?

3.Enteranystringofcharactersattheendofthefirstdataline,thenpressEnter.Onthecommandline,enterCAN(cancel).Again,editEDITTESTinthedataset.Wereyourchangessaved?

4.ObservetheSCROLLvaluetothefarleftonthecommandinputline.

Scroll===>PAGE

TabtotheSCROLLvalue.ThevaluesforSCROLLcanbe:

C-CSRcursor

P-PAGEpage

H-HALFhalf-page

YouwillfindtheSCROLLvalueonmanyotherISPFpanelsbesidestheeditor.Youcanchangethisvaluebyenteringthefirstletterofthescrollmodeoverthefirstletterofthecurrentvalue.ChangethevaluetoCSR,placethecursoronanotherlineinthebodyofthesystemlog,andpressPF7.Diditplacethelinewiththecursoratthetop?

5.Movethecursortooneofthetoplinesonyourdisplay.PressPF2.Theresultisa

secondISPFpanel.WhatoccurswhenPF9isenteredrepeatedly?

6.UsingPF9,switchtotheISPFPrimaryOptionMenu,thenpressPF1todisplaythe

ISPFTutorialpanel.

7.FromtheISPFTutorialpanel,selectEdit,selectEditLineCommands,thenselectBasicCommands.PressEntertoscrollthroughthebasiccommandstutorial.Asyoudoso,frequentlyswitch(PF9)totheeditsessionandexercisethecommandsinEDITTEST.RepeatthissamescenarioforMove/CopyCommandsandShifting

Commands.

8.FromtheISPFTutorialpanel,selectEdit,selectEditPrimaryCommands,thenselectFIND/CHANGE/EXCLUDEcommands.PressEntertoscrollthroughtheFIND/CHANGE/EXCLUDEcommandstutorial.Asyoudoso,frequentlyswitch(PF9)totheeditsessionandexercisethecommandsinEDITTEST.

9.Enter=XontheISPFhelppaneltoendthesecondISPFpanelsession.SaveandexittheEditPanel(PF3)toreturntotheISPFPrimaryOptionMenu.

ThefollowinglabexerciseshelpyoudevelopskillsinworkingwithdatasetsthroughISPF.

1.2.4实验四ExploringISPFOption3.4

OneofthemostusefulISPFpanelsisOption3.4.Thisterminologymeans,startingfromtheISPFprimaryoptionmenu,selectOption3(Utilities)andthenOption4(Dslist,fordatasetlist).Thissequencecanbeabbreviatedbyentering3.4intheprimarymenu,or=3.4fromanypanel.

ManyISPFusersworkalmostexclusivelywithinthe3.4panels.Wecoversomeofthe3.4functionshereandothersinsubsequentexercisesinthistext.Usecareinworkingwith3.4options;theycaneffectchangesonaindividualorsystem-widebasis.

z/OSuserstypicallyuseISPFOption3.4tocheckthedatasetsonaDASDvolumeorexaminethecharacteristicsofaparticulardataset.Usersmightneedtoknow:

_Whatdatasetsareonthisvolume?

_Howmanydifferentdatasettypesareonthevolume?

_WhataretheDCBcharacteristicsofaparticularfile?

Let’sanswerthesequestionsusingUSER02isasamplevolume,oranothervolumeas

specifiedbyyourinstructor:

1.Inthe3.4panel,enterUSER02intheVolumeSerialfield.DonotenteranythingontheOption==>lineorintheDsnameLevelfield.

2.UsePF8andPF7toscrollthroughthedatasetlistthatisproduced.

3.UsePF11andPF10toscrollsidewaystodisplaymoreinformation.Thisisnotreallyscrollinginthiscase;theadditionalinformationisobtainedonlywhenPF11orPF10areused.

ThefirstPF11displayprovidestracks,percentused,XT,anddevicetype.TheXTvalueisthenumberofextentsusedtoobtainthetotaltracksshown.TheISPFutilityfunctionscandeterminetheamountofspaceactuallyusedforsomedatasetsandthisisshownasapercentagewhenpossible.

ThenextPF11displayshowstheDCBcharacteristics:

DSORG,RECFM,LRECL,andBLKSIZE.

PSSequentialdataset(QSAM,BSAM)

POPartitioneddataset

VSVSAMdataset

blankUnknownorganization(ornodataexists)

RECFM,LRECL,andBLKSIZEshouldbefamiliar.Insomecases,usuallywhenastandardaccessmethodisnotusedorwhennodatahasbeenwritten,theseparameterscannotbedetermined.VSAMdatasetshavenodirectequivalentfortheseparametersandareshownasquestionmarks.

1.2.5实验五AllocatingadatasetwithISPF3.2

ISPFprovidesaconvenientmethodforallocatingdatasets.Inthisexercise,youcreateanewlibrarythatyoucanuselaterinthecourseforstoringprogramsourcedata.ThenewdatasetsshouldbeplacedontheUSER02volumeandshouldbenamedyourid.LIB.SOURCE(whereyouridisyourstudentuserID).

Forthisexercise,assumethat10tracksofprimaryspaceand5tracksforsecondaryextentsissufficient,andthat10directoryblocksissufficient.Furthermore,weknowwewanttostore80-bytefixed-lengthrecordsinthelibrary.Wecandothisasfollows:

1.StartattheISPFprimarymenu.

2.Gotooption3.2-orgotooption3(Utilities)andthengotooption2(DataSet).

3.TypetheletterAintheOption==>field,butdonotpressEnteryet.

4.TypethenameofthenewdatasetintheDataSetNamefield,butdonotpressEnteryet.Thenamecanbewithsinglequotes(forexample,‘yourid.LIB.SOURCE’)orwithoutquotes(LIB.SOURCE)sothatTSO/ISPFautomaticallyusesthecurrentTSOuserIDastheHLQ.

5.EnterUSER02intheVolumeSerialfieldandpressEnter.

6.Complet

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