qemu-img

Tool for Quick Emulator Virtual HDD image creation and manipulation.

Create disk image with a specific size (in gigabytes):

qemu-img create {{image_name.img}} {{gigabites}}G

Show information about a disk image:

qemu-img info {{image_name.img}}

Increase or decrease image size:

qemu-img resize {{image_name.img}} {{gigabites}}G

Dump the allocation state of every sector of the specified disk image:

qemu-img map {{image_name.img}}