xfishtank(1) on Linux
The text f540fe5a5c34, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.
Fish swimming across your Root Window
Flags it lists
-
-C -
-b -
-c -
-d -
-f -
-i -
-m -
-p -
-r