xlsfonts(1) on Linux
The text b4e71a07ff35, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
server font list displayer for X
Flags it lists
-
-1 -
-C -
-d -
-display -
-fn -
-l -
-ll -
-lll -
-m -
-n -
-o -
-u -
-v -
-w