+------------+-----------+-------------+
| Oktalwert  | Binärwert |Entsprechung |
+------------+-----------+-------------+
| 421        | 100010001 | r---w---x   |
| 644        | 110100100 | rw-r--r--   |
| 755        | 111101101 | rwxr-xr-x   |
+------------+-----------+-------------+