It can get quite frustrating at times when you want to access files on your linux/unix machines which host your Oracle or DB2 LUW databases. MSFT offers a simple solution via the program suite called Services for Unix (SFU). Samba also has a suite of tools for UNIX systems for sharing files over the network with MSFT Windows. Here are a couple of resources to help you further to sort out file sharing issues:
http://samba.org –> Samba’s web-site and a lot of very good information and tools.
http://support.microsoft.com/kb/304040 –> Configuring File Sharing in Windows XP