scdaemon(1) on Linux
The text 2c71985db5ea, as Debian 9 (Stretch) shipped it.
Smartcard daemon for the GnuPG system
Flags it lists
-
--card-timeout -
--ctapi-driver -
--daemon -
--debug -
--debug-all -
--debug-allow-core-dump -
--debug-assuan-log-cats -
--debug-ccid-driver -
--debug-disable-ticker -
--debug-level -
--debug-log-tid -
--debug-wait -
--deny-admin -
--disable-application -
--disable-ccid -
--disable-pinpad -
--dump-options -
--enable-pinpad-varlen -
--help -
--homedir -
--log-file -
--multi-server -
--no-detach -
--options -
--pcsc-driver -
--reader-port -
--server -
--verbose -
--version -
-h -
-v