Batch process jobs can run without any end-user interaction or can be scheduled to start up on their own as resources permit. Batch operating system can transfer the jobs to the processor very efficiently. Commonly used batch files are part of most operating systems. The simplest batch operating system can transfer the jobs to the processor one by one. So the jobs that enter the system to be executed are kept initially on the disk in the job pool. Batch Operating system groups jobs that perform similar type of functions. Since in general, the main memory is too small to accommodate all jobs. Batch File: A batch files is a text file that contains a sequence of commands for a computer operating system. The OS then runs processes on these IPs based on their characteristics. Batch operating systems group together similar IPs into batches. There may be many jobs that enter the system. if a job was selected for its execution then the job remains in execution until its completion. Batch processing is the execution of non-interactive processing tasks, meaning tasks with no user-interface. Batch Operating System. Once this job needs an I/O operation operating system switches to another job (CPU and OS always busy).

In this the operating system picks up and begins to execute one of the jobs from memory. Batch processing is a general term used for frequently used programs that are executed with minimum human interaction. Strictly speaking, batch processing involves processing multiple data items together as a batch.The term is associated with scheduled processing jobs run in off-hours, known as a batch window. In multi-programmed batch system, the operating system keeps multiple jobs in main memory at a time. These groups are treated as a batch and are executed at the same time. Batch files encapsulate multiple commands into a single file, and are created for command sequences that users employ repeatedly. Jobs in the memory are always less than the number of jobs on disk(Job Pool). Multiprogramming Batch Systems.

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