hlogin(1) on Linux
The text 9fedd63fd9d3, as Debian 5.0 (Lenny) shipped it.
Cisco/Foundry login script
Flags it lists
-
-E -
-V -
-c -
-d -
-e -
-f -
-p -
-s -
-t -
-u -
-v -
-w -
-x -
-y