fieldlines(1) on Linux
The text 294597089575, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
simulation of the electric field lines between charged particles.
Flags it lists
-
--constwidth -
--electric -
--ions -
--maxfps -
--maxsteps -
--nice -
--root -
--speed -
--stepsize -
--width