Specify the priviledged group. On this example, keep default and proceed to next.
 The summary is shown for configuration. Click “Finish” if it's OK all.
 Installation starts.
 Following screen is shown, then open a terminal and execute follwong commands with the root user.
[root@dlp ~]# /u01/app/oraInventory/orainstRoot.sh
Changing permissions of /u01/app/oraInventory.Adding read,write permissions for group.Removing read,write,execute permissions for world.Changing groupname of /u01/app/oraInventory to oinstall.The execution of the script is complete.[root@dlp ~]#[root@dlp ~]# /u01/app/oracle/product/12.1.0/dbhome_1/root.sh
Performing root user operation.The following environment variables are set as: ORACLE_OWNER= oracle ORACLE_HOME= /u01/app/oracle/product/12.1.0/dbhome_1Enter the full pathname of the local bin directory: [/usr/local/bin]: # Enter