Source : Free On-Line Dictionary of Computing

Vi Improved
     
         (VIM) (Previously "vi iMitation"), An improved
        version of {vi}, available for many {platforms}.  VIM allows
        multiscreen editing, more flexible insert/command {mode}
        handling, better {C} indentation and much more.
     
        {Home (http://www.vim.org/)}.
     
        (1999-06-15)