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Answer Posted / sivakumar sekharannair
Batch programs are those are invoked by a language called
JCL. It can be executed either manually by submitting the
JCL or by a scheduler which has the particular JCL in it.
Manually submitted by user submitting the job.
Scheduler submission can be either time trigger or dataset
trigger.
If given a particular time, the scheduler trigers the job
in that particular time
Or
when the particular dataset is available in the mainframe
(should be cataloged and available)the job is triggered.
Never ever the batch job can run without a jcl
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