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關於Linux系統下PATH設置方法

假設你要執行的程序路徑在 /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


 
  然後在 fi 後面加下面語句:
 
  export PATH=/root:$PATH
 
  加完後的 .bashrc 內容為:
 
  

# .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


 
  //在命令行下輸入 source .bashrc 執行 .bashrc 生效。
 
  [root@stroller root]# source .bashrc
 
  //查看PATH值:
 
  [root@stroller root]# echo $PATH

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