IEFBR14 is an IBM mainframe utility program. It runs in all IBM mainframe environments derived from OS/, including z/OS. It is a placeholder that returns the. JCL & VSAM: Hi, Can we use IEFBR14 utility to create Partitioned U may use any utility for creating PS/, idcams, iehprogm etc. IEFBR14 is an IBM utility better known for being a dummy utility because it does almost nothing. IEFBR14 performs no other action than return a.

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Please Turn OFF your ad blocker. It is usually used to create empty dataset or delete an existing dataset.

Showing Answers 1 – 29 of 29 Answers. It is used for setting a return code to 0.

What does IEFBR14 utility is used for?

It is a data utility which is used to create new or empty dataset. However, subsequently programmers were indeed using these properties, so a determinate status became mandatory. A few of them are listed below with their functionality:.

Try this slight change: Wed Jun 08, 9: Tue Jun 14, You utiilty give so many ADD statements and the data in the next line.

The IEFBR14 utility

But, initially IEFBR14 was not coded with these characteristics iedbr14 mind, as IEFBR14 was initially used as a dummy control section, one which simply returned to the caller, not as an executable module.


The original version of the program did not alter register 15 at utikity as its original application was as a placeholder in certain load modules which were generated during Sysgen system generationnot as an executable program, per se. Saurabh Srivastava April 6, at By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Input and output datasets can be defined using user defined DD names. Haarish Aug 1st, For example, a file containing names of employees can be split into 26 files, each containing the names starting with A, B, C and so on. The first three letters of the utilities has specific usage like “IEF” for programs produced by the job management group, “IEB” for data set utility programs, “IEF” for system utility programs, and “IEW” for program-linkage and -loading.

As explained below, “BR 14” was the essential function of the program, to simply return to the operating system.

Fri Jun 10, 5: Otherwise just the PDS will be created. Also, all such started tasks must be a single jobstep as the “Started Task Control” STC module within the Job Management component of the operating system only accepts single-step jobs, and it fails all multi-step jobs, without exception. Fri Jun 10, 6: Usually, this is not recommended in view of performance for large files. A secondary reason to run IEFBR14 iefhr14 to unmount devices usually tapes or disks that had been left mounted from a previous job, perhaps because of an error in that job’s JCL or because the job ended in error.


Retrieved from ” https: Even the following code works.

This job step can also be used to catalog or delete specified data sets from within a batch job. This page was last edited on 24 Aprilat Fri Jun 10, 9: Initially, programmers were not using all properties of the Job Control Language, anyway, so an indeterminate return code was not a problem.

But I am getting the following error: Used to copy selected parts of a JCL. This is one way of creating datasets.

IEFBR14 – Wikipedia

Even though it is very popular, the service provided by this utility is “nothing”. Even though the DD statements itself does the creation and deletion of datasets, it can’t run without a utjlity.

If you have some message a new member will be created with the data you specified. IEFBR14 was created because while DD statements can create or delete files easily, they cannot do so without ifbr14 program to be run due to a certain peculiarity of the Job Management system, which always requires that the Initiator actually execute a program, even if that program is effectively a null statement.

Hi Vidya, Please try this code