On Jul 18, 2004, at 19:14, Ken Johnson wrote: > I have a new (to me) Titanium powerbook, that came formatted UFS. The > Cube, and my G4-933 are both formatted EFS+. I'm contemplating > re-formatting the Powerbook, but I wonder what the differences are - > speed, stability, etc before doing anything. There is an article on > the Apple site, but it's for 10.2.8 and earlier - I'm running 10.3.4. Reformat it to HFS+, it is what Apple reccommends, besides, there is quite a number of applications that will not work if installed on UFS volume.