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isofs while the df command itself used the name iso9660fs or cdfs. Both of these were inconsistent with the name cd9660 which is used by the mount command. I modified df to recognize all of the names cd9660, cdfs, isofs, and iso9660fs, and take them all to refer to the same thing. Naturally I added a note of this behaviour in the manual page too. Submitted-By: Jukka Ukkonen <jau@jau.csc.fi>