.vimrc 当使用vi编辑文件时更方便

Create file named .vimrc under main directory.
It's contents are as bellow:

Administrator@dni-yinjie ~
$ cat .vimrc
set nu
set sm
set smartindent
set tabstop=3
set shiftwidth=2
set showcmd
if &t_Co > 1
        syntax enable
endif

Thanks: Ender.Dai