SAP R/3 Document: Background processing

All the non-dialog and time consuming programs can be executed in the background. for background processing, R/3 system provide the background service with its background work processes, also referred to simply as background processes.

Unlike dialog processing, during which each logical unit of work (LUW) is assigned by the dispacther to the next free dialog process, in the background processing one process is assigned to a background job for the duration of processing.

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