feature-check(1) on Linux
The text 60e5899efc34, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
query a program for supported features
Flags it lists
-
--features -
--help -
--version -
-O -
-P -
-V -
-h -
-o -
-v