由于ubantu自带的vi编辑器并不好用，而开发一般使用vim编辑器，vim需要自己安装（sudo apt-get install vim 即可安装），但是默认的设置使用起来很不舒服，因此可以通过修改相关设置来提高vim编辑器的实用性。

下面先给出自己的vim效果图（自己认为还不错）：

下面是配置文件;

" .vimrc - Vim configuration file.

"

" Copyright (c) 2010 Jeffy Du. All Rights Reserved.

"

" Maintainer: Jeffy Du <jeffy.du@gmail.com>

"    Created: 2010-01-01

" LastChange: 2010-04-22

" GENERAL SETTINGS: {{{1

" To use VIM settings, out of VI compatible mode.

set nocompatible

" Enable file type detection.

filetype plugin indent on

" Syntax highlighting.

syntax on

" Setting colorscheme

color mycolor

" Other settings.

set   autoindent

set   autoread

set   autowrite

set   background=dark

set   backspace=indent,eol,start

set nobackup

set   cindent

set   cinoptions=:0

set   cursorline

set   completeopt=longest,menuone

set noexpandtab

set   fileencodings=utf-8,gb2312,gbk,gb18030

set   fileformat=unix

set   foldenable

set   foldmethod=marker

set   guioptions-=T

set   guioptions-=m

set   guioptions-=r

set   guioptions-=l

set   helpheight=10

set   helplang=cn

set   hidden

set   history=100

set   hlsearch

set   ignorecase

set   incsearch

set   laststatus=2

set   mouse=a

set   number

set   pumheight=10

set   ruler

set   scrolloff=5

set   shiftwidth=4

set   showcmd

set   smartindent

set   smartcase

set   tabstop=4

set   termencoding=utf-8

set   textwidth=80

set   whichwrap=h,l

set   wildignore=*.bak,*.o,*.e,*~

set   wildmenu

set   wildmode=list:longest,full

set nowrap

" AUTO COMMANDS: {{{1

" auto expand tab to blanks

"autocmd FileType c,cpp set expandtab

" Restore the last quit position when open file.

autocmd BufReadPost *

    \ if line("'\"") > 0 && line("'\"") <= line("$") |

    \     exe "normal g'\"" |

    \ endif

" SHORTCUT SETTINGS: {{{1

" Set mapleader

let mapleader=","

" Space to command mode.

nnoremap <space> :

vnoremap <space> :

" Switching between buffers.

nnoremap <C-h> <C-W>h

nnoremap <C-j> <C-W>j

nnoremap <C-k> <C-W>k

nnoremap <C-l> <C-W>l

inoremap <C-h> <Esc><C-W>h

inoremap <C-j> <Esc><C-W>j

inoremap <C-k> <Esc><C-W>k

inoremap <C-l> <Esc><C-W>l

" "cd" to change to open directory.

let OpenDir=system("pwd")

nmap <silent> <leader>cd :exe 'cd ' . OpenDir<cr>:pwd<cr>

" PLUGIN SETTINGS: {{{1

" taglist.vim

let g:Tlist_Auto_Update=1

let g:Tlist_Process_File_Always=1

let g:Tlist_Exit_OnlyWindow=1

let g:Tlist_Show_One_File=1

let g:Tlist_WinWidth=25

let g:Tlist_Enable_Fold_Column=0

let g:Tlist_Auto_Highlight_Tag=1

" NERDTree.vim

let g:NERDTreeWinPos="right"

let g:NERDTreeWinSize=25

let g:NERDTreeShowLineNumbers=1

let g:NERDTreeQuitOnOpen=1

" cscope.vim

if has("cscope")

    set csto=1

    set cst

    set nocsverb

    if filereadable("cscope.out")

        cs add cscope.out

    endif

    set csverb

endif

" OmniCppComplete.vim

let g:OmniCpp_DefaultNamespaces=["std"]

let g:OmniCpp_MayCompleteScope=1

let g:OmniCpp_SelectFirstItem=2

" VimGDB.vim

if has("gdb")

	set asm=0

	let g:vimgdb_debug_file=""

	run macros/gdb_mappings.vim

endif

" LookupFile setting

let g:LookupFile_TagExpr='"./tags.filename"'

let g:LookupFile_MinPatLength=2

let g:LookupFile_PreserveLastPattern=0

let g:LookupFile_PreservePatternHistory=1

let g:LookupFile_AlwaysAcceptFirst=1

let g:LookupFile_AllowNewFiles=0

" Man.vim

source $VIMRUNTIME/ftplugin/man.vim

" snipMate

let g:snips_author="Du Jianfeng"

let g:snips_email="cmdxiaoha@163.com"

let g:snips_copyright="SicMicro, Inc"

" plugin shortcuts

function! RunShell(Msg, Shell)

	echo a:Msg . '...'

	call system(a:Shell)

	echon 'done'

endfunction

nmap  <F2> :TlistToggle<cr>

nmap  <F3> :NERDTreeToggle<cr>

nmap  <F4> :MRU<cr>

nmap  <F5> <Plug>LookupFile<cr>

nmap  <F6> :vimgrep /<C-R>=expand("<cword>")<cr>/ **/*.c **/*.h<cr><C-o>:cw<cr>

nmap  <F9> :call RunShell("Generate tags", "ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .")<cr>

nmap <F10> :call HLUDSync()<cr>

nmap <F11> :call RunShell("Generate filename tags", "~/.vim/shell/genfiletags.sh")<cr>

nmap <F12> :call RunShell("Generate cscope", "cscope -Rb")<cr>:cs add cscope.out<cr>

nmap <leader>sa :cs add cscope.out<cr>

nmap <leader>ss :cs find s <C-R>=expand("<cword>")<cr><cr>

nmap <leader>sg :cs find g <C-R>=expand("<cword>")<cr><cr>

nmap <leader>sc :cs find c <C-R>=expand("<cword>")<cr><cr>

nmap <leader>st :cs find t <C-R>=expand("<cword>")<cr><cr>

nmap <leader>se :cs find e <C-R>=expand("<cword>")<cr><cr>

nmap <leader>sf :cs find f <C-R>=expand("<cfile>")<cr><cr>

nmap <leader>si :cs find i <C-R>=expand("<cfile>")<cr><cr>

nmap <leader>sd :cs find d <C-R>=expand("<cword>")<cr><cr>

nmap <leader>zz <C-w>o

nmap <leader>gs :GetScripts<cr>

配置文件里有几个快捷键还是很舒服的（比如：‘Esc’+'Space'   可以从编辑模式切换到低行模式、 通过配置ab命令来实现自动补全等等）。