In DCB, what is LRECL,BLKSIZE,DSORG



In DCB, what is LRECL,BLKSIZE,DSORG..

Answer / pradeep

DCB=DATASET CONTROL BLOCK.It specify the charecteristics
about the dataset.
LRECL=Logical REcord Length. it specify the leghth of the
record.
it mainly depends on the record structure fields.
BLKSIZE=block size.It specify the block size, that is how
many records has to be read into the buffer from physical
memory by one READ option.
DSORG=data set organization.
dsorg=PS for sequential dataset
dsorg=po for vsam files

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