sidentd(8) on Linux
The text 51d89664792d, as Debian 4.0 (Etch) shipped it. The page shows this text now.
Kerberos S/Ident responder
Flags it lists
-
-C -
-M -
-N -
-T -
-V -
-d -
-e -
-l -
-n -
-v