I'm currently traducing the posts in english, my english is not very good, so if you find errors feel free to contact me. Presentation : SL-NTFS (Snow Leopard NTFS) is a Preference Pane that enables writing on NTFS (commonly used by Windows XP/Vista/7) formatted disks. Mac OS X prior to Snow Leopard could read NTFS disks/partitions, but couldn’t write to them. Snow Leopard has the ability to writ