COM3310 Parameters Flashcards
DD Parameter - DSN=
The name of the data set
DD Parameter - DISP=
Data set disposition (whether the data set needs to be created or already exists)
DD Parameter - SPACE=
Amount fo disk storage requested for a new data set
DD Parameter - SYSOUT=
Define a print location (and the output queue or data set)
DD Parameter - VOL=SER=
Volume name, disk name or tape name
DD Parameter - UNIT=
System disk, tape or special device type (local name)
DD Parameter - DEST=
Routes output to a remote destination
DD Parameter - DCB=LRECL=
Logical Record Length, which is the number of bytes/characters in each record
DD Parameter - DCB=RECFM=
The record format, which can be fixed, blocked, variable, and so on
DD Parameter - DCB=BLOCKSIZE=
Stores records in a block of this size, typically a multiple of LRECL. A value of 0 will let the system pick the best value.
DD Parameter - DCB=DSORG=
This is the data set organisation, which can be sequential, partitioned, and so on
DD Parameter - LABEL=
The tape label expected. A tape can store multiple data sets; each data set on the tape is in a file position. The first data set on tape is file 1.
DD Parameter - DUMMY
Results in a null input
DD Parameter - *
Input data or control statements follow. This Is a method of passing data to a program from the JCL stream.
DD Parameter - *,DLM=
Everything following this statement is data input (even //) until the two alphanumeric or special characters specified are encountered in column 1