What are the keywords associated with DCB? How can you
specify DCB information? What is the OS precedence for
obtaining that DCB information, ie. where does the system
look for it first?
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Answer / guest
The keywords associated with the DCB parameter are LRECL,
RECFM, BLKSIZE and DSORG. The DCB information can be
supplied in the DD statement. The system looks for DCB
information in the program code first.
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Answer / pradeep salian
The keywords associated with the DCB parameter are LRECL,
RECFM, BLKSIZE and DSORG.
Ex://step1 DD DSN=dataset,
DISP=(NEW,CATLG,DELETE),
UNIT=unitname,
SPACE=(CYL,(30,30),RLSE),
DCB=(MODEL,RECFM=FB,LRECL=100,BLKSIZE=0)
The sysem looks for DCB information in the program code
first. DCB can be coded in DD statement
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