tones(1) on Linux
The text 955693257520, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
a sequential tone generator program
Flags it lists
-
-16 -
-8 -
-C -
-a -
-b -
-c -
-f -
-h -
-i -
-l -
-load -
-loop -
-lw -
-o -
-s -
-v -
-w