Backing up your SD card
It happens to everyone at one point or another—you've put hours into perfecting your Raspbian installation, setting up applications, and hacking away at clever code, when out of nowhere your cat/dog/next-of-kin swoops down on your keyboard and triggers the self-destruct mechanism from the Erasing the Pi should it fall into the wrong hands section in Chapter 5, Taking Your Pi Off-Road.
Not to worry, Agent, backing up an SD card is quite simple as long as you've got the required disk space to store it.
Complete SD card backup in Windows
We'll be making a complete mirror image of your SD card. The data will be stored in a single file that will be the same size as that of your SD card. To do this, we'll use the Win32 Disk Imager ...