What is the function of a dd statement?

0 Answers  

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what is DSN in JCL and what are the parameters to declare the DSN?

0 Answers  

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How jcl is used for testing batch programs?

0 Answers  

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wht r different types of sort fields in jcl ?

1 Answers   IBM,

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Is CPU time assigned to a JOB and JOBSTEP BOTH, by default ?

4 Answers   IBM,

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What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?

0 Answers   IBM,

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We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

0 Answers   IBM,

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Explain the purpose of the dd keylen parameter?

0 Answers  

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I have a sequential file in which there are 50 records. Now I want to copy all the 50 records in the reverse order into a new file? The last record in the original file should be the first record in the new file. How can I do it?

4 Answers   IBM, TCS,

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if you have big pgm. during compilation is abends with (soc7)how do you know which line has soc 7 error.

4 Answers   IBM,

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In a single step if input file is present then only need to copy into output file or else need to through a RC is it possible. Note : i want it in a single step

1 Answers  

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when we use sysprint and sysout statements

3 Answers  

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