mgetty(8) on Linux
The text a43aa914cbfa, as Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink) shipped it.
smart modem getty
Flags it lists
-
-C -
-D -
-F -
-R -
-a -
-b -
-k -
-n -
-r -
-s