The locked-subusers.json file format
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Each user is to have a ``locked-subusers.json`` file which holds a registry of locked subusers. Locked subuser are subusers who's installed images and permissions are not affected by updates and rollbacks.

He format of the locked-subusers.json file is identical to that of the :doc:`subusers.json <registry/subusers-dot-json-file-format>` found in the registry.
