disk_backup.md

From http://raspberrypi.stackexchange.com/a/312

If you are running Linux then you can use the dd command to make a full backup of the image:

dd if=/dev/diskx of=/path/to/image or for compression:

dd if=/dev/diskx | gzip > /path/to/image.gz Where sdx is your SD card. To restore the backup, you reverse the commands:

dd if=/path/to/image of=/dev/rdiskx
or when compressed:

gzip -dc /path/to/image.gz | dd of=/dev/rdiskx

diskutil list