These are temporary files created by sorting - as long as you're sure
that there are no active sorts, you can safely delete them all (or we
have done so at least).
I believe this is covered in the FAQ.
--
Karl DeBisschop <kdebisschop(at)alert(dot)infoplease(dot)com>
617.832.0332 (Fax: 617.956.2696)
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