A once-essential utility for Mac owners has returned after several years of only minor updates with a major new version that offers significant changes and improvements. DiskWarrior 5.0 by Alsoft is something of a one-trick pony, in that it primarily repairs and optimizes OS X directories -- but this can often be used to save data from failing hard drives, prevent failures in the first place, or rescue data from flash drives where directory corruption is a common problem, among other instances. The new 5.0 version supports Apple Fusion and CoreStorage homebrew "Fusion" drives, repairs partitio
