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    Piping a random file to an interpreter(i.e. bash) is, of course, hugely dangerous. But it is not what we are discussing here. Only displaying content, with cat, which as history has shown CAN produce damages. Check the answer from mr.spuratic. Commented Apr 23, 2014 at 14:08
  • To add to paul's answer, it has been said lots of times, yet old habits die hard : don't use cat for this, use less or a text editor. Commented Apr 23, 2014 at 16:58