vimrc 配置文件

" ================================================= "
" global settings: /etc/vim/vimrc or /etc/vimrc     "
" local settings: ~/.vimrc                          "
" ================================================= "
syntax on                   " 语法高亮 "
set showcmd                 " 底部展示命令 "
set mouse=a                 " 启用鼠标 "
set cursorline              " 光标所在的当前行高亮 "
set number                  " 显示行号 "
set textwidth=120           " 每行显示多少个字符 "

set tabstop=4               " tab对应的空格数 "
set expandtab               " 将tab转换为空格 "
set softtabstop=4           " tab转换为多少个空格 "
set autoindent              " 自动缩进 "
set shiftwidth=4            " 每一级缩进的宽度 "