Embedded System Programming for linux application The automotive industry is one of the most important industry, so the improvement of the automobile vehicle is very crucial to decrease the cost and increase the features and efficiency. This became so achievable by the technological evolution happened in the last in electronics field in the last decade by increasing the electronics component and decrasing the mechanical part everything became feasible. So, to achieve this improvement and this added feature in the car we should add a lot of ECU to control every feature added inside the car. To utilize this usage of the evolution we should have a good communication network between all the ECU and the module inside the vehicle.