Neurotic Nomad writes: Paul Miller at Engadget writes: "Look out Intel and friends, Apple is using its own P.A. Semi technology for a custom 1GHz "Apple A4" chip in the iPad. Apple claims to get 10 hours of battery life out of this sucker, along with a month of standby."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals