ABCs of z/OS System Programming Volume 8

Common problem types

z/OS can process large amounts of work efficiently because it keeps track of storage in a way that makes its storage capacity seem greater than it is. It’s a complex system made up of many components, similar to the human body. And, like the human body, z/OS can experience problems that need to be diagnosed and corrected.

The following are examples of problems you might encounter while running z/OS:

•An abnormal end occurs in processing, known as an abend.

 – Application program abends

 – System program abends

•A job remains ...