How to reduce the size of a Dynamically expanding virtual machine, I have a Windows Xp host machine and a Ubuntu 11.10 guest virtual machine whose maximum size is 8GB which is getting maxed out i dont want to resize the .vdi file , data in the virtual machine is about 3 GB but when we delete some files it does not free space in virtual machine.
Virtual box version 4.1.8 Windows Xp host Ubuntu 11.10 guest