vimrc文件是vim的环境设置文件。
整体的vim的设置是在 /etc/vimrc 文件中。
不建议修改/etc/vimrc 文件，每个用户可以在用户根目录中设置vim，新建 ~/.vimrc.
我的vimrc配置如下(持续更新):
if v:lang =~ "utf8$" || v:lang =~ "UTF-8$" set fileencodings=ucs-bom,utf-8,latin1
endif
set nocompatible" Use Vim defaults (much better!)
set bs=indent,eol,start" allow backspacing over everything in insert mode
"set ai" always set autoindenting on
"set backup" keep a backup file
set viminfo='20,\"50" read/write a .viminfo file, don't store more
" than 50 lines of registers
set history=50" keep 50 lines of command line history
set ruler" show the cursor position all the time
" Only do this part when compiled with support for autocommands
if has("autocmd")
augroup redhat
autocmd!
" In text files, always limit the width of text to 78 characters
" autocmd BufRead *.txt set tw=78
" When editing a file, always jump to the last cursor position
autocmd BufReadPost *
\ if line("'\"") > 0 && line ("'\"") <= line("$") |
\ exe "normal! g'\"" |
\ endif
" don't write swapfile on most commonly used directories for NFS mounts or USB sticks
autocmd BufNewFile,BufReadPre /media/*,/run/media/*,/mnt/* set directory=~/tmp,/var/tmp,/tmp
" start with spec file template
autocmd BufNewFile *.spec 0r /usr/share/vim/vimfiles/template.spec
augroup END
endif
if has("cscope") && filereadable("/usr/bin/cscope")
set csprg=/usr/bin/cscope
set csto=0
set cst
set nocsverb
" add any database in current directory
if filereadable("cscope.out")
cs add $PWD/cscope.out
" else add database pointed to by environment
elseif $CSCOPE_DB != ""
cs add $CSCOPE_DB
endif
set csverb
endif
" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
syntax on
set hlsearch
endif
" filetype plugin on
filetype plugin indent on （更符合python语法，遇关键字会自动缩进）
if &term=="xterm"
set t_Co=8
set t_Sb=m
set t_Sf=m
endif
" Don't wake up system with blinking cursor:
" http://www.linuxpowertop.org/known.php
let &guicursor = &guicursor . ",a:blinkon0"
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