What does the keyword DCB mean and what are some of the keywords associated with it?

DCB stands for data control block; it is a keyword for the DD statement used to describe datasets. Keywords associated with it are BLKSIZE, DEN, LRECL and RECFM.

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Oct 13th, 2004
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SANGRAMKC

Dec 27th, 2006

DCB parameter is used to provide file characteristics to use in completing Data control Block(DCB) for a dataset
Syntax
1. DCB=(subparameter,subparameter,..)
2.DCB=dsname
3.DCB=*.DDname
4.DCB=*.stepname.ddname
5.DCB=*.stepname.procstepname.ddname
subparameter includes LRECL=bytes,RECFM=(specifies format & characteristic of record, can be of F, V,U etc),BLKSIZE=bytes(should be in multiple of LRECL or less than it)