# &tool; Manual V&manrevision;

## Introduction

The &tool; allows you to specify the operative systems and linux images that the bootloader will be able to load at boot time.

## Getting started

You can start &tool; in the following ways:

Applications menu

- Choose System Tools Boot.

Command line

- Execute the following command: `boot-admin`

When you start &tool;, you will be prompted for the administrator password, this is necessary because the changes done with this tool will affect the whole system.

After entering the administrator password, the following window is displayed.

### &tool; main window

Shows &tool; main window.

The &tool; main window contains the following elements:

Images list

- This is a list of the current options in your bootloader menu, beside the list there are buttons for adding new options, and modifying or deleting the already created ones.x

"Starting your computer" section

- This let's you specify the time that the bootloader menu will be displayed before running the default image.

## Usage

### To create a new menu entry

Press the Add button, an assistant will appear, depending on the menu entry type you want to add, you will be asked for different data.

For Linux entries

- You will be asked for the name that will be shown in the menu, the path to the kernel image you want to boot and the partition that will be the root file system, optionally you can also set the contents of the initial RAM disk (initrd) and the parameters to pass to the kernel.

For Hurd entries

- You will be asked for the name that will be shown in the menu, the path to the kernel image you want to boot and the partition that will be the root file system, optionally you can also set the modules path.

For other entry types

- You will be asked for the name that will be shown in the menu and the partition that contains the operating system you want to boot.

### To modify an already existing menu entry

Press the Properties button, a new window will appear, depending on the menu entry type you want to modify, you will be able to modify different data.

### To delete a menu entry

Select the image you want to delete and press the Delete button

### To change the ammount of time that the bootloader will be displayed

Change the spin button in the main window.

### To change the options that are passed to the kernel

You can add they by hand in the Parameters text entry, optionally, you can press the Edit button beside the text entry, a window will appear, letting you modify the most usual parameters that are passed to the kernel.