f3fix

Edit the partition table of a fake flash drive. tldr-pages

On several platforms

Several platforms

Fill a fake flash drive with a single partition that matches its real capacity

sudo f3fix /dev/device_nameIdentify

Mark the partition as bootable

sudo f3fix --boot /dev/device_nameIdentify

Specify the filesystem

sudo f3fix --fs-type filesystem_type /dev/device_nameIdentify