I decided to make quick and dirty comparison of some parameters of selected OS. I measured values once, because for me it was the most interesting to get only quantity. I have selected number of bytes written/read from HDD and number of bytes sent/received over network. Why ?
People are using more and more often SSD/flash memories, which have specified number of write cycles and people are using more and more often network connections with data limits.
Here are results, I have used mainly values observed by VirtualBox functions: