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    +1 -- good answer! you could achieve the same thing, even if you're not running X, by using GNU screen (gnu.org/software/screen). Commented Mar 11, 2011 at 1:15
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    It seemed so obvious that I was hesitant to say it. But everyone else is so busy being clever. :) Commented Mar 11, 2011 at 15:25
  • it's the only answer here which allows the OP to reuse the last line -- everything else entails running the command again, which could be anywhere between utterly irrelevant and catastrophic :) But the OP did say reuse. Commented Mar 11, 2011 at 15:47
  • @simon: Actually, my answer doesn't. Neither does glenn's. Commented Mar 18, 2011 at 1:08
  • @Mikel: True, but they require you doing something beforehand, or correctly the first time. Commented Mar 22, 2011 at 11:27