By contrast, Windows 7, Vista, OS X Tiger, Leopard, Snow Leopard and versions of the Linux kernel released after September 2009 are all 4K aware.

BBC: Hard drive evolution could hit Microsoft XP users

Enter Spark, a seven-inch slate that comes running the Plasma Active UX, an open-source OS based on Linux kernel, KDE's multi-platform Plasma environment and a dash of Qt for good measure.

ENGADGET: Meet Spark, the 200 euro slate packing Linux-based Plasma Active UX