A nice thing about Org-Mode is that you can keep an active todo list in one file for daily tasks and then at the end of the day send all done items to an archiv

A nice thing about Org-Mode is that you can keep an active todo list in one file for daily tasks and then at the end of the day send all done items to an archive file (C-c C-x C-a). That way, you still have all your tasks in a searchable format if you ever need to go back to them, but the active file — which you open each day — is small and snappy.