[Oracle DataBase Server 12.1 installation on Oracle Linux 6.7]: Oracle instance creation

$ dbca

$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Tue Sep 15 22:14:27 2015

Copyright (c) 1982, 2014, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

SQL> select status from v$instance;

STATUS
------------
OPEN