total 16
drwxr-xr-x 7 root root 4096 Jun 19 07:32 mri_32
drwxr-xr-x 7 root root 4096 Jun 19 07:32 optician_21
drwxr-xr-x 5 root root 4096 Jun 19 07:32 optician_9
drwxr-xr-x 7 root root 4096 Jun 19 07:32 radiology_78

ls -l total 16
drwxr-xr-x 7 root root 4096 Jun 19 07:32 mri_32
drwxr-xr-x 7 root root 4096 Jun 19 07:32 optician_21
drwxr-xr-x 5 root root 4096 Jun 19 07:32 optician_9
drwxr-xr-x 7 root root 4096 Jun 19 07:32 radiology_78
