Sun's ZFS filesystem, which the company has referred to as "the last word in filesystems," was widely expected to be adopted by Apple for use in Mac OS X. However, support never materialized, and the open source project to port the filesystem was unceremoniously shut down last Friday. The (un)stated reasons at heart seem to be licensing issues, though there are also technological reasons why Apple may want to create its own advanced filesystem. The ZFS filesystem is perhaps one of the first