Why MS Should Build Its Next Version of Windows on Top of Linux
"Even today, you can still get to a C: prompt under Windows XP, which means a disk operating system is hiding there no matter what Microsoft wants us to believe . Windows XP is not an operating system. It is a windowing system that sits atop an operating system much as KDE or Gnome sit atop Linux. . " Read the (funny?) editorial at I, Cringely.
