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public text v1 · immutable[root@localhost ~]# su - postgres
-bash-3.1$ psql postgres
Welcome to psql 8.1.11, the PostgreSQL interactive terminal.
Type: \copyright for distribution terms
\h for help with SQL commands
\? for help with psql commands
\g or terminate with semicolon to execute query
\q to quit
postgres=# SHOW STATUS;
ERROR: unrecognized configuration parameter "status"
postgres=#