Linking file from host in Virtual Box

mkdir /home/<user>/vboxshare

sudo mount -t vboxsf -o uid=1000,gid=1000 share /home/<hostuser>/vboxshare

sudo adduser <user> vboxsf

make dir in vboxshare, ln -s that folder in the virtual os

Virtual OS was Ubuntu 12.04, Host was Mac OSX 10.6.8