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batch

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- In a computer, a batch job is a program that is assigned to the computer to run without further user interaction. Examples of batch jobs in a PC are a printing request or an analysis of a Web site log. In larger commercial computers or servers, batch jobs are usually initiated by a system user. Some are defined to run automatically at a certain time.

In some computer systems, batch jobs are said to run in the background and interactive programs run in the foreground. In general, interactive programs are given priority over batch programs, which run during the time intervals when the interactive programs are waiting for user requests.

The term originated with mainframe computers when punched cards were the usual form of computer input and you put a batch of cards (one batch per program) in a box in the sequence that they were to be fed into the computer by the computer operator. (Hopefully, you got the output back the next morning.)

Learn more about Mainframe computers

Mainframe Management: The modern mainframe: This isn't your gramps' Big Iron. Mainframe management has evolved dramatically over the past few years.
Roadmap to mainframe application modernization: In a three-part series, Infostructure Associates president Wayne Kernochan outlines a modernization path for business-critical applications in an existing mainframe environment.
Top five mainframe tips: Data center pros are asking questions about the expanding role mainframes play in the business.
Mainframe Management: The modern mainframe: This isn't your gramps' Big Iron. Mainframe management has evolved dramatically over the past few years.
Using CICS dump tables to manage problems in online systems: The CICS dump table feature can be useful for diagnosing and managing problems in online systems when the information you need isn't available through default channels.
High mainframe software costs may lead to platform's demise: Are mainframe software costs too high or does software productivity and reduced labor costs lead to lower mainframe total cost of ownership (TCO)?
Manage CICS workloads with transaction classes: Using transaction classes is a great way to manage CICS workloads that come in unpredictable increments. Learn how to use transaction classes and get examples in this tip.
Run CICS in batch to beat a shrinking batch window: As batch windows are getting shorter, it becomes harder to run traditional VSAM-based CICS systems. Try running CICS in batch as a low-cost solution.

LAST UPDATED:

04 Nov 2005

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