grub2: grub2 (the second GNU GRand Unified Bootloader) grub2: grub2: GRUB 2 has been rewritten from scratch to clean up everything for grub2: modularity and portability. grub2: Features are: Scripting support, Graphical interface, Rescue mode, grub2: cross-platform and many more grub2: Briefly, boot loader is the first software program that runs when a grub2: computer starts. It is responsible for loading and transferring grub2: control to the operating system kernel software (such as the Hurd or grub2: the Linux). The kernel, in turn, initializes the rest of the operating grub2: system (e.g. GNU).