On Sunday 26 July 2009 7:44:43 pm T o n g wrote: > Vmware, qemu, kvm, etc all can create file systems in an image file which > is initially small, but grow bigger as required. I want to do that too, Have you seen [1]? I haven't used it, but it looks like it will do exactly what you want. [1] http://tjworld.net/wiki/Linux/MountQemuQcowImages MM