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ryanburnette/bash

Created June 3, 2020 13:37
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macOS create disk image then write it back again
Raw
bash
# find disk by checking mount
diskutil list
# unmount disk
diskutil unmountDisk /dev/disk2
# create image
sudo dd if=/dev/disk2 of=foo.img.dd bs=512
# verify image
$ file foo.img.dd
# restore
sudo dd if=foo.img.dd of=/dev/disk2
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