The file is compressed. Info here: http://unix.stackexchange.com/questions/96491/why-does-du-report-a-size-of-0-for-some-non-empty-files-on-a-hfs-partition htt

The file is compressed. Info here: http://unix.stackexchange.com/questions/96491/why-does-du-report-a-size-of-0-for-some-non-empty-files-on-a-hfs-partition http://unix.stackexchange.com/questions/96491/why-does-du-re... The last answer (marked for 0 points of course) is probably correct in this case. The file fits in the extended attributes.