ABCs of IBM z/OS System Programming Volume 3

Storage management software

DFSMS is an exclusive element of the z/OS operating system that automatically manages data from creation to expiration. This chapter covers the following topics:

•The DFSMS utility programs to assist you in organizing and maintaining data

•The major DFSMS access methods

•The data set organizations

•An overview of the elements that comprise DFSMS:

 – DFSMSdfp, a base element of z/OS

 – DFSMSdss, an optional feature of z/OS

 – DFSMShsm, an optional feature of z/OS

 – DFSMSrmm, an optional feature of z/OS

 – z/OS ...