[root@localhost ~]# su - oracle
[oracle@localhost ~]$ vi /home/oracle/.bash_profile
# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
#PATH=$PATH:$HOME/bin
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=/u01/app/oracle/product/10.2.0/db
export ORACLE_SID=orcl
export NLS_LANG="SIMPLIFIED CHINESE_CHINA.ZHS16GBK"
export ORACLE_HOME_LISTNER=/u01/app/oracle/product/10.2.0/db
PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
export PATH
//执行source命令使修改完的.bash_profile文件生效
$ source .bash_profile