Unity provides multiple Skybox Shaders for you to use. Each Shader uses a different set of properties and generation techniques. Each Shader falls into one of the following two categories:
Textured: Generates a skybox from one or multiple textures. The source textures represent the view of the background from all directions. The Skybox Shaders in this category are:
6 SidedCubemap(Doesn't work on mobile platform)Panoramic
Procedural: Does not use textures and instead uses properties on the Material to generate a skybox. The Skybox Shader in this category is:
Procedural
Looking for details : https://docs.unity3d.com/Manual/skybox-shaders.html
Notice : Don't forget including shaders in
Graphics
