For quite some time, Mac OS X has been able to read NTFS drive, but not write to them. To do that you have to use a commercial (Paragon NTFS) or free (ntfs-3g, which I have been using for quite some time) 3rd party solution.
Nyxem, one of our readers, reports on his blog (in French) about a procedure he found out about on the MacRumors forums, that allows you to natively activate NTFS write support on Snow Leopard.
To do that you need to know the NTFS's drive's UUID or volume name, then add it to an OS X file called "fstab". The procedure requires some Terminal wizardry and has to be repeated for every single NTFS drive you want to write to, followed by a reboot every time you cha
