I came up (re)phrasing a question like this :
What's so special about directories whose name begins with a dot?
But now, I'm wondering whether this is correct handling of plurals or not. Should the following be preferred?
What's so special about directories whose names begin with a dot?
(In French both are correct and have different meanings — singular suggests that each directory has one name, plural suggests each directory can have several names —, but it might be different in English.)