GRUB 2 is the default boot loader for Ubuntu. GRUB 2's method of building the GRUB menu is vastly different from GRUB 0.97. This page describes the new file structure and details how to the user can change the default settings used to create the boot menu. The current version of GRUB is 1.99, which was introduced with Ubuntu 11.04, Natty Narwhal and is the version installed with 12.04, Precise Pan

