Virtual Box: Shared Folder on Linux host and Windows guest
1. Create the folder on your host you like to share with the virtual machine (e.g. /home/pat/VirtualBoxExchange).
2. Add the shared folder to your virtual machine.
3. Open the command prompt on the windows machine (Start -> Run -> cmd.exe) and type
net use x: \\vboxsvr\VirtualBoxExchange
4. Have fun.
[...] like setting up a shared folder on a Linux host and a Windows guest, you need to create the folder to share on your host system and add it to your shared folders list [...]