Of course.
poste152-240:~] Izzo% echo $PATH
/Applications/freesurfer/bin:/Applications/freesurfer/fsfast/bin:/Applications/freesurfer/tktools:/usr/local/fsl/bin:/Applications/freesurfer/bin/freeview.app/Contents/MacOS/:/Applications/freesurfer/mni/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/usr/X11/bin:/Users/Izzo/abin
The content of my .cshrc file is:
setenv FREESURFER_HOME /Applications/freesurfer
source $FREESURFER_HOME/SetUpFreeSurfer.csh
set path = ( $path $HOME/abin )
setenv DYLD_FALLBACK_LIBRARY_PATH $HOME/abin
Thanks-