Shared Folders In Virtualbox With Linux Guest

Virtualbox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Read here to get started.
To download go to this page and choose the appropriate package.
After installing the Guest Additions, you can use the Shared Folders Functionality. Make a folder Share in the home directory of your host. When running your Linux guest go to Devices > Shared Folders...( the window running the guest ) click on the icon Add Shared Folder ( Ins ) and navigate to folder Share in your home directory ( host ). Check Make Permanent. Then as root in your guest :
mkdir /media/Share and add this line to your /etc/fstab :

Share /media/Share vboxsf defaults,rw,uid=1000,gid=1000 0 0

Reboot your guest or in your guest mount -a as root.....