Compare keys and their values in the registry.
:: To compare all values under a specific key with a second key:
reg compare <first_key_name> <second_key_name>
:: To compare a specific value under two keys:
reg compare <first_key_name> <second_key_name> /v <value>
:: To compare all sub keys and values for two keys:
reg compare <first_key_name> <second_key_name> /s
:: To only output the matches between the specified keys:
reg compare <first_key_name> <second_key_name> /os
:: To output the differences and matches between the specified keys:
reg compare <first_key_name> <second_key_name> /oa