tly, two combinations of threading and fileset are supported, users can choose
   one line of the following by setting namelist:
   <br>
<br>
   With the introduction of netCDF restart files, there is a need for a global
   switch to turn on/off netCDF restart options in all of the modules that deal with
   restart files. Here two more namelist variables (logical type) are introduced to fms_io
   <br>
<br>
   fms_netcdf_override
   fms_netcdf_restart
   <br>
<br>
   because default values of both flags are 