VirtualBox – Shrink your VDI images. Image size = Space used up inside VM.

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. We would try to compress the VM image to the space actually used up inside the VM.
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