I am looking for just volumetric quantity of GM,WM,CSF.

Can u suggest some commands tat i used or explore so that i get volumetric data.

Presently value for subject Bert i m getting:

Right now i m working on  mri_segstats ---->giving me vol of white matter by using wmparc.stats

Total cortical white matter volume, 484479.305031, mm^3

mri_segstats-----> giving me vol of grey matter by using aseg.stats
Total gray matter volume, 655593.521190, mm^3

If i wanted to have all the value in one single window/file.