jkmeter(1) on Linux
The text fc9081d86187, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it. The page shows this text now.
Jkmeter is a horizontal or vertical bargraph audio level meter for Jack Audio Connection Kit