Answer / meenu

CODE:STEPNAME.DDNAME DD PARAMETERS;
in place of parameters we can write the parameters which we want to override

Answer / suputhru

meenu u r corrrrect.

STEPNAME.DDNAME DD PARAMETERS;
in place of parameters we can write the parameters which we want to override

//PROC1 PROC
//STEP1…..
//DD1 DD DSN=FILE1,DISP=SHR
…
…
//
Now we can override dd parameter disp=shr to DISP=OLD.
//JOB1 JOB..
//PROCLIB…
//STEP001 EXEC PROC1
//STEP1.DD1 DD DSN=FILE1,DISP=OLD.

SYMBOLIC parameters: used to orverride parameters on the DD statement.
They can be used in cataloged and instream procs.
//ddname DD &parameter

Values assigned at proc and exec statements.

//JOB1 JOB..
//PROC1 PROC DISPO=NEW ----here dd parameter value assigned at proc.
//STEP1 EXEC PROC1
//DD1 DD DSN=FILE1,DISP=&DISPO ------it means DISP=NEW.

Answer / sj@iy

Adding to that..
Parameters can be overridden on the EXEC statement in
addition to the DD statement.

Sample for overriding REGION parameter of STEP10 in PROC

//STEP10 EXEC PGM=Program1, REGION=56K
//*Overriding the REGION parameter for STEP10
//SAMPPROC EXEC PROC=PROC1, REGION.STEP10=72K

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My JCL have five steps & I created new versions of GDG in first step through fourth step & fifth step I was refered Step one GDG version. My JCL got abend at 4th step and how I can restart my JCL Please let me know the answers. //STEP1 EXEC GDG1(+1) DISP=(NEW) //STEP2 EXEC GDG1(+2) DISP=(NEW) //STEP3 EXEC GDG1(+3) DISP=(NEW) //STEP4 EXEC GDG1(+4) DISP=(NEW) //STEP5 EXEC GDG1(+1) DISP=(OLD)

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