Batch processing

Batch processing is a technique in which Operating System collects one programs and data together in a batch before processing starts. Operating system does the following activities related to batch processing.

• OS defines a job which has predefined sequence of commands, programs and data as a single unit.
• OS keeps a number a jobs in memory and executes them without any manual information.
• Jobs are processed in the order of submission i.e first come first served fashion.
• When job completes its execution, its memory is released and the output for the job gets copied into an output spool for later printing or processing.