From the API : Unity - Scripting API: Shader.Find
Shader.Find can be used to switch to another shader without having to keep a reference to the shader. name is the name you can see in the shader popup of any material. Common names are: “Diffuse”, “Bumped Diffuse”, “VertexLit”, “Transparent/Diffuse” etc.
What is the full list of Unity legacy shaders? For example, I am trying to find Particles/Alpha Blended Premultiply
This is an extension of my other question : How to find and assign Default-Particle material to a renderer - Questions & Answers - Unity Discussions
well, really it’s the same question but much easier to read and understand =]