bmichel

      (ada) $ offline
    (grace) $ offline
    (grace) $ mv ~/Dropbox/shared/TODO.txt ~/Dropbox/private-grace/
      (ada) $ mv ~/Dropbox/shared/TODO.txt ~/Dropbox/private-ada/
      (ada) $ echo 'foo' >> ~/Dropbox/private-ada/TODO.txt
    (grace) $ echo 'bar' >> ~/Dropbox/private-grace/TODO.txt
      (ada) $ online
    (grace) $ online