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

How many register we are using in mvs?

IBM,

1093

what is pdes?

IBM,

1169

what is the facility that allows mainframes to be partitioned into lapars? A.z/os b.pr/sm c.vitual storaged.coupling facility

IBM,

1258

what is swap-in and swap-out?

IBM,

1160

what is the size of the address space in kbs for 16 bit address space?

IBM,

1166

how to define a directory and what is the structure and definition for the same?

IBM,

1128

what is the panel name of ispf primary option menu?

IBM,

1214

A rpg or clp command to find if the file field is defined as a character or numeric field.

IBM,

1 2748

what is the necessary keyword needed to scroll subfile records?

IBM,

1229

can I touch the array during treatments?

IBM,

1219

can you debug ile rpg program using isdb?

IBM,

1342

check existence of one record without using chain or read?

IBM,

1 2240

what is the difference between do while and do until?

IBM,

1310

how do I declare a minor?

IBM,

1213

are there any useful c runtime apis that I can call from rpg iv?

IBM,

1217

Un-Answered Questions { MainFrame }

What are the building blocks used in vsam datasets?

1040

what is the use of sflend keyword?

1952

Explain the job statement in jcl?

1227

What is the distinction amongst include and copy?

1042

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

1518

What action db2 takes when a program aborts in the middle of a transaction?

1202

what are the differences between and exec cics xctl and an exec cics link command?

1360

how can we repair a soc-7 error?

1089

Explain dclgen.

1279

What is the use of base and index registers in the IBM 360/370 processor?

3816

What is the default value(s) for an initialize and what keyword allows for an override of the default?

1270

what is the JCL statement consists of?

1266

What is the difference between bind and rebind in db2?

1517

If i change any file through application after entering data , how to check which file is updated through applications . For call stack we takes esc 3 then we chose 11..But What is answer of below qtn..?

1954

Explain index cardinality?

1118

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