Linux Graphics Opengl

I want to make real good games for linux and windows?
Which graphics library should I use so as the library work on both linux and windows.Is OpenGL to be used?Please help me .
Depends what language and what you want to do with it.
Embedded Computer Graphics – OpenGL ES 1.1 demo application running on i.MX31PDK Board
Tags: 3d, graphics, opengl, opensource, programming