A batch is sequence of user jobs formed for the purpose of processing by batch processing operating system. Note that a batch is not a computational structure of a user.
Each job in the batch is dependent of other jobs in the batch, job typically belong to different users. A computer operator forms a batch by organizing a set of user jobs in a sequence and inserting special marker cards to indicate the start and end of the batch.
the operator submit a batch as a unit of processing by the batch processing operating system.
Batch processing is implemented by the kernel ( also called the batch monitor ).
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