z/OS DFSMS Introduction
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Point-in-Time Copy Services

z/OS DFSMS Introduction
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Concurrent copy, SnapShot, and FlashCopy® are the point-in-time copy functions. The point-in-time copy functions allow you to back up or copy data concurrently with normal applications. For an overview of these copy functions, see Point-in-Time Copy Functions.

Related reading: For more information on using these copy services, see the following publications:

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