Definition:Permutation/Linguistic Note

Linguistic Note on Permutation
The word permutation to mean a bijection from a set to itself is historical, from when the term was reserved for finite sets.

As points out in,  has made the suggestion that, because permutations are so important in the field of computer science, they be called perms:
 * As soon as 's convention is established, textbooks of computer science will become somewhat shorter (and perhaps less expensive).