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

Give some examples of command terminators?

1197

How many bytes S(8) comp field occupy and its maximum value?

2092

Which Search verb is equivalent to PERFORM…VARYING?

999

What is the difference between Call and a Link?

1123

Can a Search can be done on a table with or without Index?

1237

A table has two indexes defined. Which one will be used by the SEARCH?

1232

What are all the divisions of a COBOL program?

1149

What is the difference between Global and External Variables?

1297

What are the different rules to perform a Search?

1050

What is a SSRANGE and NOSSRANGE?

1417

Which division and paragraphs are mandatory for a COBOL program?

1196

what is SOC4 error?

1161

what JCL Procedures?

1195

how you can direct the data to spool using SYSOUT option?

1413

what are JCLLIB and STEPLIB in JCL?

1112

Un-Answered Questions { MainFrame }

In a Natural program i used the below code for report FORMAT LS=132 PS=60 And down the line I want to change either LS/PS like FORMAT LS=120 PS=50, is it possible? How it will work?

1838

What is the meaning of the deq command?

1081

What is the need of running runstats in the test environment?

1017

what is a logical file?

1692

What is buffer pool in the db2 database?

1047

when do you explicitly open files and close files in an rpg program?

1990

Why are you looking for a change?

924

What is bms map?

1121

what is the maximum number of fields under a record format of physical file?

1741

Explain cemt transaction commands?

1074

can oorexx run normal rexx programs?

963

What is copy pending and check pending in db2?

954

What are the various isolation levels possible?

1051

What is the main function of linear dataset?

1022

What is the use of member in pf?

942

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