cuum(1) on Linux
The text 55aab9f82678, as Debian 3.0 (Woody), Debian 2.2 (Potato) shipped it.
To start the front-end processor.
Flags it lists
-
-D -
-H -
-X -
-c -
-h -
-k -
-l -
-n -
-r -
-x