DD is the command to read from the current booting card.

sudo dd if=/dev/sdb of=~/card_images/final-working-definitely-working-v2.img

This will get you the full card, you then need to compress it then run
pishrink on the compressed image.

Sent from my iPhone


On Sat, 2 May 2026 at 13:32, Terry Coles <[email protected]> wrote:

> On 02/05/2026 12:57, Hugh Frater wrote:
> > Easily resolved by piping DD to gzip, then using pishrink on the
> > resulting image.
>
> What's DD in this context?
>
> The last time I had to shrink an SD Card image, it was a nightmare and I
> resolved never to try it again.
>
> --
> Terry Coles
>
>
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