Thanks for your efforts on freesurfer. In the process of installing freesurfer, i meet one problem.
 I have registered an account on https://surfer.nmr.mgh.harvard.edu/registration.html. Then i receipt a e-mail..
I have created a document named "license.txt" in right file and copy license in it.
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But when i commanded code "recon-all -s bert -autorecon1", Terminal displayed
I also tried the code"tkmedit bert orig.mgz". Teminal displayed
I really do not know what's wrong and hope for your help!