Steganography technique in hindi : How to hide data behind an Image.

how to hide file behind image is called steganography techniques. how to safe to my data. Steganography is the art and science of hiding messages, Images, Data .etc.Just use your command prompt to hide some files behind any image,Hiding a file in an image file is called 'Steganography'. It's a technique using which we can exchange data across the world over internet .