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``cfgdata`` Cfgdata Command
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This application provides a command line interface for managing platform
specific configdata within the ``/dev/config`` device.

Usage::

  config <cmd> [arguments]

Where ``<cmd>`` is one of:

- ``all`` – show all config entries
- ``print`` – display a specific config entry
- ``set`` – set or change a config entry
- ``unset`` – delete a config entry


Author: Ken Pettit
Date: 18 December 2018