选择oracle base的时候，oracle不推荐使用user home作为oracle base，这里我选yes忽略

进行prerequirements检查的时候，安装程序认为swap不足，我选择YES忽略

以下是引用片段：
[oracle@ractest database]$

[oracle@ractest database]$ su - root

Password:

[root@ractest ~]# /home/oracle/oraInventory/orainstRoot.sh

Changing permissions of /home/oracle/oraInventory to 770.

Changing groupname of /home/oracle/oraInventory to dba.

The execution of the script is complete

[root@ractest ~]# /home/oracle/11g/root.sh

Running Oracle 11g root.sh script...

The following environment variables are set as:

    ORACLE_OWNER= oracle

    ORACLE_HOME=  /home/oracle/11g

Enter the full pathname of the local bin directory: [/usr/local/bin]:

   Copying dbhome to /usr/local/bin ...

   Copying oraenv to /usr/local/bin ...

   Copying coraenv to /usr/local/bin ...

Creating /etc/oratab file...

Entries will be added to the /etc/oratab file as needed by

Database Configuration Assistant when a database is created

Finished running generic part of root.sh script.

Now product-specific root actions will be performed.

Finished product-specific root actions.

[root@ractest ~]#

　　全文完。