User Permission MySQL

mysql>
mysql> SELECT user, host, password FROM mysql.user;
+------+-----------+----------+
| user | host      | password |
+------+-----------+----------+
| root | localhost |          |
| root | 127.0.0.1 |          |
|      | localhost |          |
+------+-----------+----------+
3 rows in set (0.00 sec)
mysql>