Display or set flags on registry keys.
:: Display current flags for a specific key:
reg flags <key_name> query
:: Display help and available flag types:
reg flags /?
:: Set specified space-separated flags, and unset unmentioned flags, for a specific key:
reg flags <key_name> set <flag_names>
:: Set specified flags for a specific key and its sub keys:
reg flags <key_name> set <flag_names> /s