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What happens in the background of spool when we submit a job
for compilation and execution... This is a recent question in
ibm...Kindly help me.....
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Answer Posted / b.ray
1. Determine the need/requirement and characteristics of the JOB.
2. Prepare the JCL.
3. Submit the JCL.
4. JES interprets the JOB statements into internal text and passes to the Z/OS.
5. Z/OS manages each step execution.
6. JES collects the output and information about the JOB.
7. JES prints the output either in SPOOL or through PRINTER (output device) as per need.
8.Purge/Release the JCL from SPOOL.
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