Hi, 

I am trying to run infant freesurfer using the --segfile and --masked options. When I attempt to run it, it runs for a bit and then I get this: 

USAGE: mri_or  <options> fname1 fname2 .. 

After this, the program exits. I am not getting any error, so I am confused about why it is exiting suddenly? 

Thank you very much!

-Colleen