🖥️Install the GRUB boot loader

GRUB: is the reference implementation of the Free Software Foundation's Multiboot Specification, which provides a user the choice to boot one of multiple operating systems installed on a computer or select a specific kernel configuration available on a particular operating system's partitions.

1. We select Yes for install GRUB boot in the hard disk.

   

2. We will choose the device /dev/sda (ata_VBOX_HARDDISK) for the installation for boot loader.

   

3. To finish the installation we click on Continue.