Hi Paul,I did what you suggested and this is what I got:Downloading FSL version 5.0.9 (this may take some time)Checking download...[OK] Download is good.Password:Password:Installing FSL software...[FAILED] "The contents of /usr/local doesn't look like an FSL installtion - will not install here, aborting install" ;[neuros-iMac-2:~/Downloads] neuro%What does this mean?On Fri, Sep 30, 2016 at 7:04 PM, paul mccarthy <[log in to unmask]> wrote:Hi Isobel,As a guess, it looks like one of the questions asked by the fslinstaller.py script was given an incorrect answer (e.g. 'yes' where there should have been a directory, or no answer [i.e. just press enter]).I would recommend that you try to run the installer script again.Cheers,PaulOn 30 September 2016 at 04:26, Isobel French <[log in to unmask]> wrote:Hi,After running the installer script I ran the command echo $FSLDIR and got the following as attached. What should I do now?Tqvm.[neuros-iMac-2:~] neuro% echo $FSLDIRyes/fsl[neuros-iMac-2:~] neuro%[neuros-iMac-2:~] neuro% flirt -versionflirt: Command not found.[neuros-iMac-2:~] neuro%