* `--disk <string>` Manually select a boot disk when more than one disk is available. e.g. `/dev/sda`
* `--force-gpt` Create a *GUID Partition Table***(Default)**
* `--no-force-gpt`
* `--disk <string>` Manually select a disk for installation. **Please remember to specify this when more than one disk is available!** e.g. `/dev/sda`
* `--no-force-gpt` By default, GPT rather than MBR partition table will be created. This option disables it.
* `--bios` Don't create *EFI system partition*. If GPT is being used, create a *BIOS boot partition* (`bios_grub` partition). Default if `/sys/firmware/efi` is absent. [See](https://askubuntu.com/a/501360)
* `--efi` Create an *EFI system partition*. Default if `/sys/firmware/efi` exists