Chapter 4. IMS and zOS

Chapter 4. IMS and z/OS

This chapter describes how IMS subsystems are implemented on a z/OS system and how IMS uses some of the facilities that are a part of the z/OS operating system.

In This Chapter:

• "How IMS Relates to z/OS"

• "Structure of IMS Subsystems" on page 28

• "Running an IMS System" on page 43

• "Running Multiple IMS Systems" on page 44

• "How IMS Uses z/OS Services" on page 45