Side-by-Side Windows and Mac Applications
Lifehacker says the latest Parallels beta has a feature called Coherence that hides the Windows desktop so your Mac and Windows apps run side-by-side as if they were native. Wow.
“Coherence works by hiding your entire Windows desktop while creating a window that lets Windows apps peak through.” It’s a hack for sure, but wow.
Rick Wightman
18 Dec, 2006
So like rootless X11 . . .