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Hello Giuseppe,

Try the same command (with lowercase w) or use a+w and then enter your password,

$ sudo chmod -R  a+w  $SUBJECTS_DIR
Password:

… then test to see if it works to create a file there, i..e., it should not report permission denied ...

$ touch $SUBJECTS_DIR/foo

… then see if you can remove the file …

$  rm  $SUBJECTS_DIR/foo

If that works you should be OK.

- R.

On Mar 6, 2022, at 11:46, giuseppe messina <giusmex@gmail.com> wrote:

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hi i am a neurosurgeon, and i am a newbie in freesurfer, nut i thin i installed it appropriately and the licence txt file is ok
i have a macbookpro 16 last generation with 32 gb of memory
my freesurfer version is 7.2.0

the problem is that when i run recon-all ( in correct syntax) , permission issues appear; it seems that i dont have permissions to go ahead with the freesurfer.
i also used ( as indicated in one of your tutorial ) the sudo chmod -R a+W $SUBJECTS_DIR command, but if i do so, a password is requested in the terminal.

really, i dont know hot to solve this problem, please help me 

Giuseppe

Thank you again

-- 


Giuseppe Messina
Dept Neurosurgery
Istituto Nazionale Neurologico "Carlo Besta", Milan

E-mail  giusmex@gmail.com
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