trim(8) on FreeBSD
The text baa21a3fc4c7, as FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE, FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
erase device blocks that have no needed contents
Flags it lists
-
-N -
-f -
-l -
-o -
-q -
-r -
-v