graeme_p - 7:59 am on Oct 9, 2013 (gmt 0)
Virtual machines have come up a few times.
Here is an example of Windows XP running on Ubuntu MATE desktop in Virtualbox in seamless mode (the main reason I prefer Virtual Box to other VM software).
You can see:
1) A Windows taskbar at the bottom of the screen, while the top of the screen has a MATE panel
2) The background of the rest of the screen of occupied by Geany
3) You can see just enough of the MATE file manager to see it has opened an sftp url
4) That is covered by a Windows Explorer window, an IE 7 window.
5) Right in front is a tabbed Linux terminal window.
My 10 year old daughter got completely confused by this. "what did you install Windows for?" followed by greater confusion as she registered the MATE panel etc.