VM, because it delivers useful information such as how much memory the guest
really uses.
In general, you should leave *ballooning* enabled, but if you want to disable
-it (e.g. for debugging porpuses), simply uncheck
+it (e.g. for debugging purposes), simply uncheck
*Ballooning* or set
balloon: 0
but the device is not present in the host, the VM can boot without problems.
As soon as the device/port ist available in the host, it gets passed through.
-WARNING: Using this kind of USB passthrough, means that you cannot move
+WARNING: Using this kind of USB passthrough means that you cannot move
a VM online to another host, since the hardware is only available
on the host the VM is currently residing.