1.

What is the time parameter in JCL? Explain what does TIME=1440 mean?

Answer»

JCL TIME is an optional Keyword parameter that SPECIFIES how long a job MAY use the processor. In simple words, TIME specifies the max CPU usage time that can be used for the job's execution. It is possible to code the TIME parameter at the Job and Step levels as well. Once the specified execution time is reached, the system will stop the JOB execution automatically. Thus, the TIME parameter will inform OS of the maximum CPU utilization time, and once the specified time has been consumed by the job, OS will cancel the job automatically.  

Additional options for TIME Parameter  

  • TIME=1440

It indicates that the job or step has no time limit and can be executed indefinitely.  

  • TIME=MAXIMUM

This means the job or step can use the most CPU time possible. 


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