Linux操作系统中设置PATH

2014-11-23 22:28:29 · 作者: · 浏览: 15

Linux操作系统中设置PATH过程:


假设你要执行的程序路径在 /usr/my下


export PATH=/usr/my:$PATH


# .bashrc


# User specific aliases and functions


alias rm='rm -i'


alias cp='cp -i'


alias mv='mv -i'


# Source global definitions


if [ -f /etc/bashrc ]; then


. /etc/bashrc


fi


export PATH=/usr/my:$PATH


保存退出!


[root@stroller root]# source .bashrc


完整例子:


[root@stroller root]# vi .bashrc


# .bashrc


# User specific aliases and functions


alias rm='rm -i'


alias cp='cp -i'


alias mv='mv -i'


# Source global definitions


if [ -f /etc/bashrc ]; then


. /etc/bashrc


fi


然后在 fi 后面加下面语句:


export PATH=/root:$PATH


加完后的 .bashrc 内容为:


# .bashrc


# User specific aliases and functions


alias rm='rm -i'


alias cp='cp -i'


alias mv='mv -i'


# Source global definitions


if [ -f /etc/bashrc ]; then


. /etc/bashrc


fi


export PATH=/root:$PATH


//在命令行下输入 source .bashrc 执行 .bashrc 生效.


[root@stroller root]# source .bashrc


//查看PATH值:


[root@stroller root]# echo $PATH