What Questions Should Have This Tag?:

  • Questions on how to edit, repair, or troubleshoot GRUB2
  • Questions on how GRUB2 works

Some Basic Definitions:

Bootloader - This is a program which loads the Operating System(OS) or other software, after POST (Power On Self Test).

Boot Record - Contains information on which OS(s)/program(s) to "boot", and information about where these are located.

Brief Introduction to the Subject:

From the Ubuntu Wiki page for GRUB2:

GRUB 2's major improvements over the original GRUB include:

  • Scripting support including conditional statements and functions
  • Dynamic module loading
  • Rescue mode
  • Custom Menus
  • Themes
  • Graphical boot menu support and improved splash capability
  • Boot LiveCD ISO images directly from hard drive
  • New configuration file structure
  • Non-x86 platform support (such as PowerPC)
  • Universal support for UUIDs (not just Ubuntu)

Important Links for Learning More:

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