draw_tree(1) on Linux
The text c1fb80ebc956, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
Produces a simple postscript rendering of a tree
Flags it lists
-
-b -
-d -
-s -
-v