Online Help:

begin load loop derose tables 2 3 4 5 6 
end   load loop derose tables
Usage: /vol/vssp/local/trees/amma-4/linux/bin/ex_dmesh [options] 
   -optload () [] Load options from a file.  
   -optsave () [] Save options to a file.  
   -i (1) [1] input  filename root for .tri/.vec/.map
   -o (2) [2] output filename root for .tri/.vec/.map
   -hi (FALSE) [FALSE] print out histogram
   -st (TRUE) [TRUE] print out statistics
   -odd (FALSE) [FALSE] Remove oddballs on entry
   -tr (FALSE) [FALSE] print out trace
   -rob (FALSE) [FALSE] robust, using weights to ignore outliers
   -lp (FALSE) [FALSE] list points that have been rejected
   -kb (0.1) [0.1] Constant - boundary 
   -ks (0.01) [0.01] Constant - spring 
   -kr (0) [0] Constant - representation 
   -n (10000) [10000] max attempted edge collapses 
   -fix (FALSE) [FALSE] fix the topology, else allow edge collapse
   -fn (5) [5] number of fixed topology loops 
   -help (TRUE) [FALSE] Print usage information.