alias

# .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

vim ~/.bashrc

写入相应的alias后，就可以永久生效了

另外该文件是readonly  输入:set noreadonly+:wq或者:wq!保存

 

保存文件后，运行：

source ~/.bashrc