kdiff3(1) on Linux
The text 945a8fd02c48, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
compares two or three input files or directories
Flags it lists
-
--auto -
--base -
--fname -
--merge -
--out -
--output -
--qall -
--version -
-b -
-m -
-o -
-v