终端输入命令安装
centos下安装vim： yum install vim
Ubuntu下安装vim：sudo apt-get install vim
注意：如果安装时提示权限不够，You need to be root to perform this command.就使用root权限；
[centos@localhost ~]$ yum install vim
Loaded plugins: fastestmirror, refresh-packagekit, security
You need to be root to perform this command.
[centos@localhost ~]$ su root
Password:
[root@localhost centos]#
在home目录下，即cd ~ 下 vi .vimrc
xb@ubuntu:~/xb/c++$ vi ~/.vimrc
set nu
set tabstop=4
set autoindent
set smartindent
syntax on
原文：https://www.cnblogs.com/zhidongjian/p/9270483.html