DFSMSdss copies and moves data to help manage storage, data, and space more efficiently. You can use DFSMSdss to perform the following tasks:

Copy data and move data

DFSMSdss enables you to copy and move data between like and unlike devices and also copy backup data. See Copying and Moving Data for more information.

Manage space

DFSMSdss helps you to manage DASD space efficiently. See Managing Space for more information.

Back up and restore data

DFSMSdss provides host system backup and recovery functions. See Backing Up and Restoring Data for more information.

DFSMSdss also includes a stand-alone restore program that restores data without a host operating system. See DFSMSdss Stand-Alone Services for more information.

Convert data

DFSMSdss converts non-system-managed data to system-managed data and system-managed data to non-system-managed data. See Converting to System-Managed Data.

This chapter provides an overview of these DFSMSdss capabilities and describes additional DFSMSdss facilities that allow you to perform the following tasks:

• Choose between logical and physical processing
• Select data sets by filtering on criteria that you specify
• Invoke DFSMSdss from a variety of sources
• Control run-time options
• Print DASD data
• Control access to DFSMSdss tasks and data
• Customize DFSMSdss with installation exits