This thesis concerns the nature of knowledge-how, in particular the question of how we ought to combine philosophical and linguistic considerations to understand what it is to know how to do something. Part 1 concerns the significance of linguistic evidence. In chapter 1, I consider the range of linguistic arguments that have been used in favour of the Intellectualist claim that knowledge-how is a species of propositional knowledge. Chapter 2 considers the idea that sentences of the form ‘S knows how to V’ involve a free relative complement, and the relation between this claim and the Objectualist claim that knowledge-how is a kind of objectual knowledge. Chapter 3 argues that Intellectualism about knowledge-how faces a problem of generalit...