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APIs at Work, Second Edition by Ron Hawkins, Doug Pence, Bruce Vining

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Using Data Queues for Job-Related Information

You know that data queues are all about communication, and that data queues can be associated with many i5/OS objects. Data queues can also be associated with exit points within i5/OS. This capability allows you to find out whenever a job is started, ended, or submitted to a job queue. In other words, it lets you monitor jobs on the system.

When would this ability be useful? Just use your imagination. How about a chance to get even with that guy on the loading docks who had the audacity to talk bad about your system and your favorite sports team? Want to know whenever he signs on? Want to change the run priority of his jobs to 90 each time? Better yet, randomly change his priority! Of course, you ...

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