pinentry-gtk-2(1) on Linux
The text fd2fd8213143, as Debian 9 (Stretch) shipped it.
PIN or pass-phrase entry dialog for GnuPG
Flags it lists
-
--debug -
--display -
--enhanced -
--help -
--lc-messages -
--lc-type -
--no-global-grab -
--parent-wid -
--ttyname -
--ttytype -
--version -
-d -
-e -
-g