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

Name some of the JCL statements that are not allowed in procs.?

1 16016

What is primary allocation for a dataset?

4 15251

What is the difference between primary and secondary allocations for a dataset?

8 48771

How many extents are possible for a sequential file ? For a VSAM file ?

3 18790

What does a disposition of (NEW,CATLG,DELETE) mean?

3 19901

What does a disposition of (NEW,CATLG,KEEP) mean?

Cap Gemini,

1 13314

How do you access a file that had a disposition of KEEP?

3 19230

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

3 12103

What is the DD statement for a output file?

3 10160

What do you do if you do not want to keep all the space allocated to a dataset?

2 7051

What is DISP= (NEW,PASS,DELETE)?

HCL,

3 32315

How do you create a temporary dataset? Where will you use them?

IBM,

2 22908

How do you restart a PROC from a particular step?

5 43251

How do you skip a particular step in a proc/JOB?

CSC, CTS,

5 30974

A PROC has five steps. Step 3 has a condition code. How can you override/nullify this condition code?

IBM, Wipro,

5 39711

Un-Answered Questions { MainFrame }

What is maximum displacement?

1182

How do we get current date from system with century in COBOL?

1381

Explain the difference between temporary storage queue (tsq) and transient data quene (tdq)?

996

What is the difference between an obtain next and obtain first in idms?

878

What is ment by record level identifier?

1143

Explain the function of the dd dcb keyword?

1258

List the different jcl statements that are not permitted in the procedures?

1085

Is it possible to alter a table – for example adding a column, when another user is accessing or updating some columns?

1082

What is package in cobol db2?

1119

Explain about the file objects in vsam?

1042

How to move a field DT 9(8) of input file to DT 9(8) COMP-3 in output file in ezytrieve? in the output file entire dt is not moved.If any answer plz reply as soon as possible.

2208

How is a typical db2 batch pgm executed?

1176

what does the opcode free do?

1952

Explain The Keywords Edtcde & Edtwrd?

1401

Explain dfsort utility?

1342

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