IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

WORKING-STORAGE SECTION. 1 GROUP-ITEM. 05 AMOUNT-1 PIC 99V9 USAGE COMP VALUE 50. 05 AMOUNT-2 PIC 9(4)V99 USAGE COMP. PROCEDURE DIVISION. MOVE ZERO TO GROUP-ITEM. ADD 50 TO AMOUNT-1. DISPLAY AMOUNT-1. STOP RUN.

1 2194

consider the following progrm statements MOVE 0 TO SW.NO.OF.REC PERFORM PRI-OUT UNTIL SW=1 DISPALY NO.OF.REC STOP RUN PRE-OUT READ IN-FILE AT END MOVE 1 TO SW WRITE OUO-REC FROM IN-REC ADD 1 TO NO.OF REC if the IN-FILE contains 1000 records what value will be displayed after the PERFORM is over? assume that N0.OF.REC has PIC 9(4) a.1000 b.1001 c.1 d.none of the above

1 2460

//S10 EXEC PGM=ICETOOL //TOOLMSG DD SYSOUT=* //DFSMSG DD SYSOUT=* //CON DD DSN=VAR.INPUT1,DISP=SHR // DD DSN=VAR.INPUT2,DISP=SHR //OUT DD DSN=VAR.OUTPUT,DISP=(NEW,CATLG,DELETE), // SPACE=(CYL,(5,5)),UNIT=SYSDA //TOOLIN DD * * Splice the needed data from the two VB files together SPLICE FROM(CON) TO(OUT) ON(5,5,CH) WITHALL - WITH(12,5) WITH(22,20) VLENMAX /*

1460

Explain about REXX

1 2082

Explain about ISPF/TSO Commands

1950

Explain about LMINIT - generate a data ID for a data set

1 2731

Explain about LMOPEN -

1 2784

Explain about LMCOPY -

1 2684

Explain about LMMFIND - find a library member

1 2668

Explain about LMMLIST�list a library's members

1 2950

Explain about LMGET�read a logical record from a data set

1 2347

Explain about LMPUT-

1 2693

Explain about LMQUERY�give a dialog information about a data set

1452

Explain about LMCLOSE�close a data set

1 2416

Explain about LMFREE�free data set from its association with data ID

1632

Un-Answered Questions { IBM MainFrame }

What is the use of trt instruction?

1024

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

911

which utility is used to run a cobol-db2 program?

1401

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1358

Can we call instream to catalog and catalog to instream?

1145

Explain the hierarchy levels in jcl?

1683

What is a bind card?

1218

what u mean by csrloc and rtncsrloc in rpgIV in as/400.Give an eg? to do...give some coding...what is row no and column no ???..if possible...give a no of lines coding....please

4451

what is the JCL statement consists of?

1191

Give the name of some fields form sqlca.

1086

What is meant by idd in idms?

938

What is an ook-rec in idms?

875

What is database manager in db2?

1023

What the difference is between continue and next sentence?

1172

What is the biggest disadvantage of using a vsam dataset?

1134

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