vim记住上次编辑和浏览位置

在用户自己的目录下的.vimrc中添加，

 "remember last update or view postion"
  " Only do this part when compiled with support for autocommands
  if has("autocmd")
  " In text files, always limit the width of text to 78 characters
  autocmd BufRead *.txt set tw=
  " When editing a file, always jump to the last cursor position
  autocmd BufReadPost *
  \ if line("'\"") >  && line ("'\"") <= line("$") |
  \ exe "normal g'\"" |
  \ endif
  endif