This is a hurd login shell; it is a normal user shell, but has no user
privileges.  To login as a user with a userid of USER, use the command:

  login USER

other useful commands:

  ql USER 	# quick login -- just start a shell in USER's home directory
  su USER       # set the id of the current (login) shell to USER
		# (use the `unsu' command to undo this, or just exit the shell)