This command is for thickness for the right hem:

aparcstats2table --subjects SUBJ1 SUBJ2 SUBJ3 --hemi rh --meas thickness --tablefile aparc_stats.txt

This command is for producing a table of volumes:

asegstats2table --subjects SUBJ1 SUBJ2 SUBJ3 \ --tablefile aseg.vol.table

This command is to produce a table of volumes for specific regions of the brain (codes following "segno" listed in the link below):

asegstats2table --subjects SUBJ1 SUBJ2 SUBJ3 \ --segno 11 17 18 \ --tablefile aseg.vol.table

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