total 16
drwxr-xr-x 4 root root 4096 Jun 19 07:04 .
drwxr-xr-x 7 root root 4096 Jun 19 07:04 ..
drwxr-xr-x 3 root root 4096 Jun 19 07:04 doctors
drwxr-xr-x 3 root root 4096 Jun 19 07:04 patients

ls -al total 16
drwxr-xr-x 4 root root 4096 Jun 19 07:04 .
drwxr-xr-x 7 root root 4096 Jun 19 07:04 ..
drwxr-xr-x 3 root root 4096 Jun 19 07:04 doctors
drwxr-xr-x 3 root root 4096 Jun 19 07:04 patients
