Starlab version 4.4.1 program created on Apr 27 2005 at 22:52:33 source file /home/steve/starlab/src/node/dyn/util/dyndiff.C Compute the rms distance in phase space between two (flat) N-body systems. Usage: dyndiff [OPTIONS] < input > output Options: -r use spatial differences only. Written by the Starlab development group. Report bugs to starlab (at) sns.ias.edu.