look(1) on FreeBSD
The text 661ccb30d492, as FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
display lines beginning with a given string
Flags it lists
-
--alphanum -
--ignore-case -
--terminate -
-d -
-f -
-t