ckeygen(1) on Linux
The text f24a66307436, as Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
manipulate public/private keys
Flags it lists
-
--bits -
--changepass -
--comment -
--fingerprint -
--no-passphrase -
--quiet -
--showpub -
--type -
--version -
-C -
-b -
-l -
-p -
-q -
-t -
-y