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bootoption

★ 102 Open GitHub ↗

EFI boot menu manipulation for macOS, like efibootmgr

// repository documentation

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#  bootoption

EFI boot menu manipulation for macOS, report bugs [here on GitHub](https://github.com/bootoption/bootoption/issues).

## Installation

Binaries and installer packages are available from the [Releases](https://github.com/bootoption/bootoption/releases) page.

#### Homebrew

```
brew tap bootoption/repo
brew install bootoption
```

## Usage

##### Show help

```
bootoption --help
```

##### The packages also install a man page

```
man bootoption
```

##### Create a new option and add it to the boot order

```
sudo bootoption create -l /Volumes/EFI/EFI/GRUB/GRUBX64.EFI -d "GNU GRUB"
```

##### Move an option from 4th to 1st in the boot order

```
sudo bootoption order 4 1
```

##### Disable an option

```
sudo bootoption set -n Boot0002 --active 0
```

##### Change the boot menu timeout to 10 seconds

```
sudo bootoption set -t 10
```

##### Set an option's command line argmuments

```
sudo bootoption set -n Boot0000 -a "initrd=/initramfs.img root=/dev/disk/by-uuid/346d9a61-f7e5-4f58-bad7-026bb5376e0f"
```

##### Reboot to firmware settings

```
sudo bootoption reboot
```

## System Integrity Protection

Note: csrutil needs to be executed from the Recovery OS.

##### Disable SIP

```
csrutil disable
```

##### Disable only NVRAM protections

```
csrutil enable --without nvram
```

## License

You should have received a copy of the GNU General Public License along with this program.  If not, see [https://www.gnu.org/licenses/](https://www.gnu.org/licenses/).

Individual files contain the following tag instead of the full license text:

```
SPDX-License-Identifier: GPL-3.0-or-later
```

This enables machine processing of license information based on the SPDX License Identifiers that are available here: [http://spdx.org/licenses/](http://spdx.org/licenses/).

bootoption

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