Postgres Connection String

root@gray:~# su - postgres
postgres@gray:~$ psql
psql (9.4.5)
Type "help" for help.

postgres=# select * from pg_shadow;
 usename  | usesysid | usecreatedb | usesuper | usecatupd | userepl |               passwd                | valuntil | useconfig
----------+----------+-------------+----------+-----------+---------+-------------------------------------+----------+-----------
 postgres |       10 | t           | t        | t         | t       |                                     |          |
 msf      |    16384 | f           | f        | f         | f       | removedrmeovedremoved |          |
 root     |    17493 | t           | t        | t         | f       | removedrmeovedremoved |          |
(3 rows)

postgres=#