“A sort of PC”: how Windows 8 will invade tablets (and why it might work) : The PC is under attack, with cheap, convenient “post-PC” tablets threatening to drive it out of the home and office—and take Windows with it. But for Microsoft, the tablet is just another kind of PC—one it plans to conquer with Windows 8. It just might work, too. March of the Penguin: Ars looks back at 20 years of Linux : The Linux kernel was first revealed to the world on August 25, 1991.

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Week in tech: Linux turns 20, Windows 8′s tablet prospects