Emacs has had tab-bar-mode since 27.1 and tab-line-mode since 27.2. As for the drop-down minibuffer (I suspect that's what you mean by "command bar"), you can

Emacs has had tab-bar-mode since 27.1 and tab-line-mode since 27.2. As for the drop-down minibuffer (I suspect that's what you mean by "command bar"), you can use something like vertico-posframe* and put it at the top like so: (setq vertico-posframe-poshandler #'posframe-poshandler-frame-top-center) * https://github.com/tumashu/vertico-posframe https://github.com/tumashu/vertico-posframe