rdup(1) on Linux
The text 8e0a78e6359e, as Debian 6.0 (Squeeze) shipped it.
generate a file list suitable for making backups
Flags it lists
-
-0 -
-E -
-F -
-M -
-N -
-R -
-V -
-c -
-h -
-m -
-n -
-r -
-s -
-v -
-x