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Tip: Remove duplicate lines with uniq

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Duplicate lines don't often cause a problem, but sometimes they really do. And when they do, there's little need to spend an afternoon working up a filter for them, when the uniq command is at your very fingertips. Get to know your textutils, find out how they can save you time and headaches.
 read more | score:6731 | -solrac, April 11, 2003
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