Multiple choice technology mainframe

The primary means of managing storage in z/OS is

  1. Data Facility Storage Management Subsystem (DFSMS)

  2. Data Storage Facility Management Subsystem (DSFMS)

  3. Data Storage Facility Management System (DSFMS

  4. Data Facility Storage Management System (DFSMS)

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A Correct answer
Explanation

DFSMS (Data Facility Storage Management Subsystem) is z/OS's primary storage management tool, providing automated policy-based management of datasets and storage. The other options have incorrect acronym expansions or names.