The keyword "top" often appears in discussions about qcow2 backing files. A is a powerful feature where one qcow2 image (the "top" or "overlay") records only changes made to a read-only "backing" (or "base") image. This allows for creating multiple independent VMs from a single, clean base image, saving immense amounts of disk space.
Do you require specialized networking configurations, such as or isolated VLANs ? windows 7 qcow2 top
Start QEMU with both the Windows installation ISO and the VirtIO driver ISO attached as CD-ROM drives: The keyword "top" often appears in discussions about