beep(1) on Linux
The text a9eeeddefaea, as Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
beep the pc speaker any number of ways
Flags it lists
-
--help -
--new -
--version -
-D -
-V -
-c -
-d -
-f -
-h -
-l -
-n -
-r -
-s -
-v