(require 'tabbar)

 (tabbar-mode )

 (global-set-key (kbd "<M-up>")    'tabbar-backward-group)

 (global-set-key (kbd "<M-down>")  'tabbar-forward-group)

 ; close default tabs，and move all files into one group

 (setq tabbar-buffer-list-function

     (lambda ()

         (remove-if

           (lambda(buffer)

              (find (aref (buffer-name buffer) ) " *"))

           (buffer-list))))

 (setq tabbar-buffer-groups-function

       (lambda()(list "All")))