2) If your unix box has FTP or SCP setup you can just write a script that connects and copies files over.
3) NFS (http://support.microsoft.
Batch file instructions for copy/paste:
http://www.ehow.com/how_68
NOTE: You would just copy from the location and then paste to whatever drive/location you mapped the Samba share to.
For the samba setup I would good for instructions for the specific version of Unix you have. Also, google on how to map the share to your Windows machine. Should be easy enough.
http://www.chiark.greenend
Script to transfer files from Linux to Windows
use application pscp.exe
2.Save pscp.exe to c:\pscp.exe (or any location u want to save but make sure no space should be there in the path i.e c:\newfolder\pscp.exe is correct)
3.Create a .bat file the syntax is
c:\pscp.exe -pw
pause
4.Save the Notepad file with ext .bat
5.Enjoy now u can transfer files from linux to windows