griffjon writes: "OLPCNews has a comparison of Windows XP to the Sugar/Linux OS on the One Laptop per Child XO-1, based on the Microsoft Unlimited Potential video, touching on video recording, power usage, boot times, and mesh networking. An interesting, if saddening, read."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals