alternative
Samba can be a little bit tricky to setup sometimes so I would recommend preparing to spend a good afternoons worth of time to get it working. If you simply want a way to transfer files between the three machines, perhaps you'd want to setup an ftp server on your linux box? Most distro's come with some sort of ftp server already installed and configured. If anything you might need to check your /etc/initd.conf to make sure ftp is not commented out.
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