ubuntu16.04安装vim那些事

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1）解决安装失败

sudo apt-get purge vim-common

sudo apt-get update

//sudo apt-get upgrade

sudo apt-get install vim

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2)设置vim

sudo vi /etc/vim/vimrc

在文件的最后，写入
set ts=4 
设置了TAB为4
再写入
set nu
设置了显示行号