edfhed(1) on Linux
The text ca0ecc517bf5, as Debian 10 (Buster) shipped it.
Flags it lists
-
--from-mtime -
--from-tree -
--help -
--no-channels -
--set -
--touch-mtime -
--usage -
--version -
--with-annotations -
-? -
-R -
-T -
-V -
-a -
-b -
-s -
-t