21.   Some square files have one safe side for working in narrow quarters.

22.   Square files have four sides of equal width.

23.   The half-round file has one flat and one rounded side.

24.   The sturdy plastic storage file has a slide-out track drawer that helps keep out dust and moisture.

25.   Triangular files have three tapering sides.

26.   Unless, of course, the file has already been copied onto backup tapes.

27.   The readme file had some weird rap about inserting a straightened paper clip into the second small hole to get the firmware updater to do its thing.

28.   The files have to be passed on to the UN war crimes tribunal to judge accusations of war crimes.