total 20
drwxr-xr-x 3 root root 4096 Jun 19 06:54 mri_53
drwxr-xr-x 6 root root 4096 Jun 19 06:54 optician_32
drwxr-xr-x 6 root root 4096 Jun 19 06:54 optician_43
drwxr-xr-x 5 root root 4096 Jun 19 06:54 optician_64
drwxr-xr-x 4 root root 4096 Jun 19 06:54 radiology_5

ls -l total 20
drwxr-xr-x 3 root root 4096 Jun 19 06:54 mri_53
drwxr-xr-x 6 root root 4096 Jun 19 06:54 optician_32
drwxr-xr-x 6 root root 4096 Jun 19 06:54 optician_43
drwxr-xr-x 5 root root 4096 Jun 19 06:54 optician_64
drwxr-xr-x 4 root root 4096 Jun 19 06:54 radiology_5
