Online Help:

Usage: /vol/vssp/local/trees/amma-4/linux/bin/Image [options] 
   -optload () [] Load options from a file.  
   -optsave () [] Save options to a file.  
   -i (-) [-] input file
   -o (invert.pgm) [invert.pgm] output file
   -help (TRUE) [FALSE] Print usage information. 

Dependancies:
   -i is compulsory.