duperemove(8) on Linux
The text e9979b8681c5, as Debian 10 (Buster) shipped it.
Find duplicate extents and print them to stdout
Flags it lists
-
--cpu-threads -
--debug -
--dedupe-options -
--fdupes -
--hash -
--hash-threads -
--hashfile -
--help -
--io-threads -
--lookup-extents -
--read-hashes -
--skip-zeroes -
--write-hashes -
-A -
-L -
-R -
-b -
-d -
-h -
-q -
-r -
-v -
-x