total 16
drwxr-xr-x 5 root root 4096 Jun 19 07:30 mri_54
drwxr-xr-x 3 root root 4096 Jun 19 07:30 optician_17
drwxr-xr-x 7 root root 4096 Jun 19 07:30 optician_68
drwxr-xr-x 6 root root 4096 Jun 19 07:30 radiology_72

ls -l total 16
drwxr-xr-x 5 root root 4096 Jun 19 07:30 mri_54
drwxr-xr-x 3 root root 4096 Jun 19 07:30 optician_17
drwxr-xr-x 7 root root 4096 Jun 19 07:30 optician_68
drwxr-xr-x 6 root root 4096 Jun 19 07:30 radiology_72
