How to Run CUDA 6 samples

I installed CUDA 6 tool kit.
I have CUDA supported graphics card.
How to run the CUDA samples, Please help. How to create my own CUDA program, what else I need to install.
I have basic C,C++ knowledge.

Verify CUDA installation on Linux:

Verify CUDA installation on Windows:

Linux CUDA Debug:

Windows CUDA Debug:|Desktop%20Developer%20Tools|NVIDIA%20Nsight%20Visual%20Studio%20Edition|NVIDIA%20Nsight%20Visual%20Studio%20Edition%204.0|CUDA%20Debugger|_____0