cmtk-fit_affine_dfield(1) on Linux
The text fb033c8c34fe, as Debian 7 (Wheezy) shipped it.
Fit Affine Transformation to Nonrigid Transformation
Flags it lists
-
--echo -
--help -
--help-all -
--man -
--threads -
--verbose -
--verbose-level -
--version -
--wiki -
-v