content of '/usr/local/pgsql/data/base' directory:

total 29
drwx------   3 postgres postgres     1024 Jun  7 16:34 ./
drwxrwxr-x   8 postgres postgres     1024 Jun  7 16:34 ../
-rw-------   1 postgres postgres        4 Jun  7 16:34 PG_VERSION
drwx------   3 postgres postgres     1024 Jun  7 16:34 base/
-rw-------   1 postgres postgres        0 Jun  7 16:34 pg_database
-r--------   1 postgres postgres     2838 Jun  7 16:34 pg_geqo.sample
-rw-------   1 postgres postgres        0 Jun  7 16:34 pg_group
-rw-------   1 postgres postgres     5192 Jun  7 16:43 pg_hba.conf
-rw-------   1 postgres postgres        0 Jun  7 16:34 pg_log
-rw-------   1 postgres postgres     8192 Jun  7 16:34 pg_shadow
-rw-------   1 postgres postgres     8192 Jun  7 16:34 pg_variable