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Installed freesurfer with the following errors. 
banikr2@banikr:~/freesurfer$ source $FREESURFER_HOME/SetUpFreeSurfer.sh
-------- freesurfer-linux-centos6_x86_64-7.1.1-20200723-8b40551 --------
Setting up environment for FreeSurfer/FS-FAST (and FSL)
WARNING: /usr/local/freesurfer/fsfast does not exist
FREESURFER_HOME   /home/banikr2/freesurfer
FSFAST_HOME       /usr/local/freesurfer/fsfast
FSF_OUTPUT_FORMAT nii.gz
SUBJECTS_DIR      /home/banikr2/freesurfer/subjects
MNI_DIR           /usr/local/freesurfer/mni
WARNING: MINC_BIN_DIR '/usr/local/freesurfer/mni/bin' does not exist.
WARNING: MINC_LIB_DIR '/usr/local/freesurfer/mni/lib' does not exist.
FSL_DIR           /usr/local/fsl

I can run freeview with the following: 
banikr2@banikr:~/freesurfer$ freeview

Is the installation done correctly? Do the warnings compromise anything? 

Rana Banik