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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

what is the use of IEBGENER utility?

1165

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1161

what is DD statement is used in JCL?

1191

what is the use of JCL?

1148

Is it possible to code instream data in a PROC?

1324

When you specify multiple datasets in a JOBLIB or STEPLIB, what factor determines the order?

1457

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1189

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1540

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1252

How do you overcome this limitation ?

1199

What is NOTCAT ?

1319

What happens if both JOBLIB & STEPLIB is specified ?

1138

What does a disposition of (MOD,DELETE,DELETE) mean ?

1121

If I have limited experience with Rexx or it's been a long time since I've used it, what kind of help is available to get me started?

895

Can I combine uni-REXX with a compiled language in my application? What application programming interfaces are available? For example, can I share variables between uni-REXX and a compiled language?

893

Un-Answered Questions { MainFrame }

Let us say you have a collection of multiple maps in cics. So if you are asked to determine the exact storage space that is available in a symbolicmap, then how will you compute it?

1131

How to pass data to a program that is coded in an exec statement?

1329

What is the maximum length of a single line of jcl?

1349

How to know the particular record in pf with out reading?

1058

how to validate input values in display file ?

1216

What is interval control?

1127

how do you define single dimensional array and multidimensional array in your cobol?

1087

What rules are to be followed while using the corresponding options?

1058

How to pass the parameters from jcl to assembler program?

999

how could you write a program in a structured format?

989

when does a dataset go uncataloged?

1300

Explain how to pass instream data in sysin with assembler?

1071

How does the jcl specify the job to os?

1145

How to create backup table in db2?

1086

what is the use of IEBGENER utility?

1165

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