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

can any one plzzzzzz tell the jcl code for creating ps using idcams

2 11545

Can anyone provide me the source code for LOC(lines of code) counter written in REXX language which can run on IBM mainframe z/OS V1R4. The LOC counter should be able to count the comments,lines of code,blank lines in a COBOL program and JCL's

Wipro,

2573

How would display prime numbers using CL program?

Hexaware,

6253

What is the meaning of the following declaration : DCB=BLKSIZE=, What is the difference between above declaration & not specifying DCB at all for a output file?

1 5478

If record-format name in an externally-described file has already been defined as a file-name.how to solve this?

CTS,

2 13255

Please any one can tell me,What are the tools for pl/1 project in real time scenario?(what are the version control,debugging and files related tools)?

1 3160

What is difference between com and com3? Eg. s9(4) so what is the memory it will occupy com and com3.

2 8319

what is index and how to use two tables using index?

1 6165

What is db2 isolation?

2 7236

Update command

1 4449

What is cursor?

2 5540

Suppose there are 10 steps in a PROC, I want to execute only step5. How do you give the condition in the JCL that calls this PROC?

IBM,

3 10504

What is the default value of DISP parameter?

IBM,

3 30612

What is the default value of DISP for temp datasets

IBM,

5 13808

How to Write the RESTART Logic Using COBOL?

GalaxE, L&T, Syntel, TCS,

4 21159

Un-Answered Questions { MainFrame }

A chkpt is the parameter coded for multi-volume qsam datasets in a dd statement. When a chkpt is coded as chkpt=eov, a checkpoint is written to the dataset specified in the sysckeov statement at the end of each volume of the input/output multi-volume dataset. State whether true or false?

1235

Can you explain communication area?

985

what do you mean by a shareoptions parameter (shr) in define cluster command?

1195

How do you overcome this limitation ?

1163

Which component is responsible for db2 startup and shutdown?

985

What is integrated data dictionary?

878

What are the access modes of START statement?

1192

how can you detect overflow for a print program that prints multiple lines per cycle?

1642

Explain the advantage of creating the acbs well ahead of time?

3515

How does jcl act on code(if you take a cobol program)?

1231

Explain the process in which flat files are converted into vsam files?

955

is there any way to dynamically merge other html scripts into a given html?

1028

How to Provide Column Names Using the DRAW Command ?

1476

What is the difference between the positional and keyword parameters? Give examples.

1195

can you change the attribute in mapset? if so how?

2077

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