z/OS HCD User's Guide
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Working on IODFs enabled for multi-user access

z/OS HCD User's Guide
SC34-2669-00

Working on IODFs enabled for multi-user access

When multiple users concurrently use the same IODF, a user’s changes are not immediately refreshed in the views of the other users. However, each user has a consistent view of the data either from the initial access to the IODF or after each last update that he had applied to the IODF.

In a few scenarios, this information unit demonstrates how HCD applies these rules when two users, UserA and UserB concurrently view or update an IODF:

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