Are you running a Linux VirtualBox on a Windows desktop?  If so, you should ignore the step that mentions the VBOXSRV directory (that is only relevant if you are running a Windows VirtualBox on a Linux/Mac desktop).  If you followed all the instructions in the link provided in the prior response, the shared folder that you added should be mounted to the left-hand panel in Files (will show up as sf_nameoffolder).  You may get a permissions error but if you run the following command and restart the system, it should be resolved:

sudo adduser yourusername vboxsf

From: freesurfer-bounces@nmr.mgh.harvard.edu [mailto:freesurfer-bounces@nmr.mgh.harvard.edu] On Behalf Of Fereshte
Sent: Friday, September 08, 2017 2:08 PM
To: Freesurfer support list
Subject: Re: [Freesurfer] Transfer files from Windows

I've tried this before but i couldn't find VBOXSRV in the mentioned directory.

On Fri, Sep 8, 2017 at 10:31 PM Patrycja Naumczyk <patrycja.naumczyk@gmail.com> wrote:

It is widely described on the Internet. Try searching for "Virtual Box share files", i.e.:
https://www.howtogeek.com/189974/how-to-share-your-computers-files-with-a-virtual-machine/

2017-09-08 18:07 GMT+02:00 Fereshte <fereshte.ramezani@gmail.com>:

Dear FreeSurfer experts

I've tried using FreeSurfer on windows with VirtualBox. I need to transfer some files on my windows to use in FreeSurfer. I've seen the same question in the frum but not appropriate answer and i couldn't find any helpful instructions on net either. 

I'd appreciate your help with it.

Regards

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