checkmap - Display what driver would be used to copy between two devices.
checkmap [-hqQ] [-d debug-level] readdev writedev
-q: Be quiet (not implemented)
-Q: Be REALLY quiet (not implemented)
-h: Print help message
-d: Print debug messages at debug-level (not implemented)
readdev: Device which is being read from. This device should
exist in your F<devices.conf>.
writedev: Device which is being written to. This device should
exist in your F<devices.conf>.