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SYSIN Control Cards

The SYSIN DD * file in the JCL allows selection of a specific job from the database. The keyword JOB= is used to specify a fully qualified or generic job name. A generic job name can be specified by coding an asterisk (*) on the trailing end of the qualifying job name characters. At least one character is required. Comments may be included in the SYSIN DD file by coding an asterisk in the first column (col 1). The number of control cards that can be specified has no limit.

The following are SYSIN DD control card examples:

//SYSIN   DD *
*
* Comment card (asterisk column 1)
*
* The following control card selects any job with the
* first three characters of PAY.
JOB=PAY*
*
* The following control card selects job TESTJOB1 only.
JOB=TESTJOB1
*
* The following control cards selects any job which begins
*with the letter Z.
JOB=Z*