Use message queues

This covers the types of message queues, how to create or change a message queue, and details about job message queues.

• Types of message queues
  All messages on the system are sent to a message queue.
• Create or change a message queue
  You can create or change your own user message queues.
• Job message queues
  Job message queues are created for each job on the system to handle all the message requirements of the job. Job message queues for a single job consist of an external message queue (*EXT) and a set of call message queues.