VirtualBox – Shrink your VDI images. Image size = Space used up inside VM. « Ubuntu, Life, Mobiles, Music, Movies, iPod and Ofcourse Windows! Often when you install a VM in virtualbox you’ll notice that initial size of the VM image would be more or less equal to the disk space actually used in the VM.
However with time, as you play around, you will find that the size of VM image would always keep on increasing. The disk space actually used would be far lesser than the VM image size. How to resize a VirtualBox disk partition. Friday, 14 November 2008 06:44 VirtualBox is a cross platform full virtualizer for x86 hardware. It runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems such as Windows, Linux and OpenBSD. Sun xVM VirtualBox Virtual Disk Images. How To Shrink Your Virtualbox VM And Free Up Space For Your Hard Disk.