安装Oracle执行orainstRoot.sh与root.sh作用

　　[root@gnd-dataguard oraInventory]# sh orainstRoot.sh
　　Changing permissions of /u01/product/oraInventory to 770.
　　Changing groupname of /u01/product/oraInventory to dba.
　　The execution of the script is complete
　　修改 /u01/product/oraInventory 目录权限。
　　root.sh 动作可以参考以下：
　　[root@gnd-dataguard oracle]# sh root.sh
　　Running Oracle10 root.sh script...
　　The following environment variables are set as:
　　ORACLE_OWNER= oracle
　　ORACLE_HOME= /u01/product/oracle
　　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.
　　可以看到：
　　gnd-dataguard$ls
　　coraenv dbhome oraenv
　　EPDIDB$cat oratab
　　#
　　# This file is used by ORACLE utilities. It is created by root.sh
　　# and updated by the Database Configuration Assistant when creating
　　# a database.
　　# A colon, ':', is used as the field terminator. A new line terminates
　　# the entry. Lines beginning with a pound sign, '#', are comments.
　　#
　　# Entries are of the form:
　　# $ORACLE_SID:$ORACLE_HOME::
　　#

　　# The first and second fields are the system>　　# directory of the database respectively. The third filed indicates
　　# to the dbstart utility that the database should , "Y", or should not,
　　# "N", be brought up at system boot time.
　　#
　　# Multiple entries with the same $ORACLE_SID are not allowed.
　　#
　　#
　　# *:/u01/product/oracle:N
　　*:/u01/product/oracle:N
　　epd1:/u01/product/oracle:N
　　EPDIDB$