pageant(1) on Linux
The text f609180baa65, as Debian 11 (Bullseye) shipped it.
PuTTY SSH authentication agent
Flags it lists
-
-- -
--gui-prompt -
--help -
--public -
--public-openssh -
--tty-prompt -
--version -
-D -
-L -
-V -
-a -
-c -
-d -
-l -
-s -
-v