use the following table list an sample JCL statementt and explain howw an z/OS i
ID: 3866400 • Letter: U
Question
use the following table list an sample JCL statementt and explain howw an z/OS initiator know which resource are needed to execute an particular batch job and the actions taken too make sure to schedule an job step for executionn.
Whichh JCL statement requestss this resource?
Actions taken be JES
Input Dataa Sets
Output Data Sets
Security Identity to run a jobb
Amount of memory required to execute a job stepp
Program required to execute a job stepp
Whichh JCL statement requestss this resource?
Actions taken be JES
Input Dataa Sets
Output Data Sets
Security Identity to run a jobb
Amount of memory required to execute a job stepp
Program required to execute a job stepp
Explanation / Answer
Answer: See the table below:
Which JCL statement requests this resource?
Action taken by JES
Input Data sets
// DD
Accept job
Output Data sets
// DD
Send/spool output
Security identity to run a job
// JOB
Apply initiator
Amount of memory required to execute a job step
//EXEC
Apply initiator
Program required to execute a job step
// EXEC
Apply initiator
Job initiator: Initiator is an important part of JES (Job Entry Subsystem) that reads, interprets and executes the JCL commands. It runs in a address space and runs a batch job in the same address space. Depending on requirements, there can be multiple initiators in multiple address spaces, running multiple batch jobs parallelly.
Which JCL statement requests this resource?
Action taken by JES
Input Data sets
// DD
Accept job
Output Data sets
// DD
Send/spool output
Security identity to run a job
// JOB
Apply initiator
Amount of memory required to execute a job step
//EXEC
Apply initiator
Program required to execute a job step
// EXEC
Apply initiator
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