No, You can’t edit or browse the GDG if it resides on tape.
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A program that follows a top down approach. It is also one that other programmers or users can follow logically and is easy to read and understand.
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In Stream procedures are set of JCL statements written between JOB and EXEC statements, start with PROC and end with PEND statement. Mainly used to test cataloged procedures. Cataloged procedure is cataloged on the procedure library and is called by specifying the procedure name on the EXEC statement.
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In the case of Static call, the called program is a stand along program, it is an executable program . During run time we can call it in our called program. As about Dynamic call, the called program is not an executable program it can executed thru the called program
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Using EXEC CICS SPOOL WRITE(var-name) END-EXEC command. var-name is a COBOL host structure containing JCL statements.
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Use a file //dd1 DD sysout=(*,intrdr)write your JCL to this file. Pl some one try this out.
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IEBGENER — This is a dataset utility for copying sequential datasets which produces a PDS or a member from a sequential dataset.
IEBCOPY — This is a dataset utility for copying one PDS to another or to merge PDSs.
REPRO — This is for copying sequential datasets. More or less same as the IEBGENER.
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SPACE=(n,m) for a sequential file, SPACE=(n,m,p) for a PDS where n, m, and p are numbers. The p designates how many directory blocks to allocate.
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Datasets must be of the same type (disk or tape), All datasets must have the same logical record length, The dataset with the largest blocksize must be listed first.
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IEFBR14 is a Dummy utility and it is used for the sake of EXEC PGM= …. statement in JCL[when used it wouldn't perform any task]. e.g. While Allocating a dataset you don’t have to run any utility [this could be done by giving disp=new inDD statement]. But for a PGM name must be given in EXEC statement, it is used.
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