total 16
drwxr-xr-x 5 root root 4096 Jun 19 07:03 mri_8
drwxr-xr-x 5 root root 4096 Jun 19 07:03 optician_15
drwxr-xr-x 4 root root 4096 Jun 19 07:03 optician_59
drwxr-xr-x 5 root root 4096 Jun 19 07:03 skin_16

ls -l total 16
drwxr-xr-x 5 root root 4096 Jun 19 07:03 mri_8
drwxr-xr-x 5 root root 4096 Jun 19 07:03 optician_15
drwxr-xr-x 4 root root 4096 Jun 19 07:03 optician_59
drwxr-xr-x 5 root root 4096 Jun 19 07:03 skin_16
