关于Linux系统下PATH设置方法


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
 

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