What sorting algorithm(s) is/are used in the unix sort command? Insertion/quicksort/etc.?
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2 Answers
If you are referring to GNU sort, it implements a variant of the merge sort algorithm.
The coreutils are open source, so feel free to download them and take a look.
The relevant POSIX standard doesn't dictate what algorithm to use, so implementations are free to choose what they like.
answered Jan 17, 2011 at 0:25
