I beleive it should have a lower case X, as in:

chmod -R a+x freesurfer/bin

-Zeke

On 10/28/2014 01:19 AM, Ali Radaideh wrote:
> Dear Douglas
>
> Thanks for your reply. unfortunatey I still get the same error. Here is
> the terminal output. Is there anything else I can do?
>
> -------- freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0 --------
> Setting up environment for FreeSurfer/FS-FAST (and FSL)
> FREESURFER_HOME   /usr/local/freesurfer
> FSFAST_HOME       /usr/local/freesurfer/fsfast
> FSF_OUTPUT_FORMAT nii.gz
> SUBJECTS_DIR      /usr/local/freesurfer/subjects
> MNI_DIR           /usr/local/freesurfer/mni
> FSL_DIR           /usr/local/fsl
> imaging@imaging-ThinkCentre-23:~$ tcsh
> imaging-ThinkCentre-23:~> tkmedit
> /usr/local/freesurfer/bin/tkmedit: Permission denied.
> imaging-ThinkCentre-23:~>
>
>
> On Mon, Oct 27, 2014 at 5:21 AM, Douglas Greve
> <gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>> wrote:
>
>
>     Try chmod -R a+X freesurfer/bin
>
>
>     On 10/26/14 1:57 PM, Ali Radaideh wrote:
>>     Dear FreeSurfer users,
>>
>>     I am using freesurfer on 16 PCs (Ubuntu 14.04 64 bit). One of the
>>     PCs has the latest version of freesurfer 5.3.0 while the others
>>     have the version 5.0.0. The PC that is installed with the latest
>>     version freesurfer 5.3.0 does not allow me to run any command and
>>     everytime I try a command such such as tkmedit i get the following
>>     error
>>     /usr/local/freesurfer/bin/tkmedit: permission denied.
>>
>>     I have tried to change the permission settings
>>     sudo chown -R imaging:imaging freesurfer
>>
>>     but did not work.
>>
>>     Any ideas why is this happening although I have done the same
>>     thing to other PCs and they are working fine.
>>
>>     ​Thanks in advance,
>>     Ali​
>>
>>     --
>>     /Ali M. Al-Radaideh. PhD
>>     Assistant Professor
>>     Head of Department of Medical Imaging
>>     Vice Dean of the Faculty of Allied Health Sciences
>>     The Hashemite University,
>>     Zarqa, Jordan
>>     W.phone +962 5 3903333 ext.5422, 5355, 5364
>>     Email: ali.radai...@hu.edu.jo <mailto:ali.radai...@hu.edu.jo>
>>     /
>>     /webpage: http://staff.hu.edu.jo/Default.aspx?id=ABZUPDzYeqM=/
>>
>>
>>
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>
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> --
> /Ali M. Al-Radaideh. PhD
> Assistant Professor
> Head of Department of Medical Imaging
> Vice Dean of the Faculty of Allied Health Sciences
> The Hashemite University,
> Zarqa, Jordan
> W.phone +962 5 3903333 ext.5422, 5355, 5364
> Email: ali.radai...@hu.edu.jo <mailto:ali.radai...@hu.edu.jo>
> /
> /webpage: http://staff.hu.edu.jo/Default.aspx?id=ABZUPDzYeqM=/
>
>
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