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 11657

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,

2661

How would display prime numbers using CL program?

Hexaware,

6313

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 5550

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

CTS,

2 13428

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 3221

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

2 8425

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

1 6274

What is db2 isolation?

2 7341

Update command

1 4511

What is cursor?

2 5639

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 10622

What is the default value of DISP parameter?

IBM,

3 30787

What is the default value of DISP for temp datasets

IBM,

5 14050

How to Write the RESTART Logic Using COBOL?

GalaxE, L&T, Syntel, TCS,

4 21333

Un-Answered Questions { MainFrame }

What Are Send Map Maponly & Send Map Dataonly ?

1201

What is the function of entry sequenced data set?

1075

Can you explain cics transaction gateway?

1075

How to fetch 1000 error records from VSAM file(Eg: 1000000 records present) while getting SOC7 abend ?

2464

What is ibm db2 connect?

984

have in 100 records in a file i want to read first 3 records and skip next 3 records and agan i want to read 3 records and again i want to skip 3 records... run a loop from record one to 10 evaluate i/3 if comes even then skip else write to output file

1509

do you use message subfiles? What are the necessary keywords required coding a message subfile?

1129

when you compile a cics program, the (pre) compiler puts an extra chunk of code. Where does it get included and that is it called? What is its length?

1105

How does the jcl specify the job to os?

1147

What are the utility programs in jcl?

1156

what is the meaning of notcat 2?

1121

Distinguish among erase, erase permanent, erase selective and erase all?

1658

mention the option (along with argument type) used in a cics command to retrieve the response code after execution of the command?

1177

Explain the data storage?

991

What is the difference between "db2ilist" and "db2 get instance" commands in DB2 Database Server?

1270

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