flux(1) on Linux
The text 8b0125ec6d46, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
flux fields and stuff.
Flags it lists
-
--blur -
--complexity -
--expansion -
--fluxes -
--geometry -
--instability -
--maxfps -
--nice -
--particles -
--preset -
--randomize -
--root -
--rotation -
--size -
--trail -
--wind