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Dave" is a file and printer sharing program for Macs-to-PCs and proportedly supports NTFS
amicrawl -To share between Linux and Windows OVER A NETWORK the program to use is Samba, and the best way to administer/configure it is SWAT. Samba is not as easy or intuitive as Dave, and does have its limitations -I'm not sure if you can write anything to NTFS using smbmount, but you can read and copy using Samba for sure. Samba will require you do do some reading of documentation to finally get it all together. Take heart though, Mandrake is one of the easier distros to get it working on.
If you have XP running on VMware in Linux and want to share files -sorry can't help you there.