Discover the aspects of batch processing that JES does not handle in z/OS. Learn about the role of JES in receiving jobs, scheduling, and controlling output processing.
Table of Contents
Question
Which aspects JES not handles while batch processing for z/OS
A. Receiving jobs into the operating system
B. Scheduling them for processing by z/OS
C. Controlling their output processing
D. Create a simple job and submit it for execution.
Answer
D. Create a simple job and submit it for execution.
Explanation
JES (Job Entry Subsystem) is a critical component of the z/OS operating system that manages batch processing. However, there are certain aspects of batch processing that JES does not directly handle.
The correct answer is: D. Create a simple job and submit it for execution.
JES is responsible for receiving jobs into the operating system (option A), scheduling them for processing by z/OS (option B), and controlling their output processing (option C). These are the core functions of JES in the batch processing workflow.
Creating a simple job and submitting it for execution (option D) is not a task that JES directly handles. This responsibility lies with the user or the application submitting the job. The user or application creates the job, specifying the required resources, parameters, and execution steps. Once the job is created, it is submitted to JES for processing.
JES takes over from that point, receiving the submitted job into the operating system. It then schedules the job for processing based on the defined parameters and priority. After the job is processed by z/OS, JES controls the output processing, ensuring that the results are properly managed and distributed according to the specified output requirements.
In summary, while JES plays a vital role in managing batch processing in z/OS, it does not directly handle the creation and submission of jobs. That task is performed by the user or the application before JES receives the job for further processing.
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