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2. EFI system partition - Wikipedia

   en.wikipedia.org/wiki/EFI_System_partition

   GRUB 2, elilo and systemd-boot serve as conventional, full-fledged standalone UEFI boot managers (a.k.a. bootloader managers) for Linux. Once loaded by a UEFI firmware, they can access and boot kernel images from all devices, partitions and file systems they support, without being limited to the EFI system partition.

3. Windows Boot Manager - Wikipedia

   en.wikipedia.org/wiki/Windows_Boot_Manager

   The boot sector or UEFI loads the Windows Boot Manager (a file named BOOTMGR on either the system or the boot partition), accesses the Boot Configuration Data store and uses the information to load the operating system through winload.exe or winresume.exe on BIOS systems, and winload.efi and winresume.efi on UEFI systems. [2]

4. Comparison of bootloaders - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_bootloaders

   Note: The column MBR (Master Boot Record) refers to whether or not the boot loader can be stored in the first sector of a mass storage device. The column VBR (Volume Boot Record) refers to the ability of the boot loader to be stored in the first sector of any partition on a mass storage device.

5. GNU GRUB - Wikipedia

   en.wikipedia.org/wiki/GNU_GRUB

   GNU GRUB (short for GNU GRand Unified Bootloader, commonly referred to as GRUB) is a boot loader package from the GNU Project.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 ...

6. BIOS boot partition - Wikipedia

   en.wikipedia.org/wiki/BIOS_Boot_partition

   In the example 2 above, GRUB 2 stores its core.img in a BIOS boot partition. When used, the BIOS boot partition contains the second stage of the boot loader program, such as the GRUB 2; the first stage is the code that is contained within the Master Boot Record (MBR). Use of this partition is not the only way BIOS-based boot can be performed ...

7. rEFInd - Wikipedia

   en.wikipedia.org/wiki/Refind

   GNU-EFI and TianoCore are supported as main development platforms for writing binary UEFI applications in C to launch right from the rEFInd GUI menu. Typical purposes of an EFI application are fixing boot problems and programmatically modifying settings within UEFI environment, which would otherwise be performed from within the BIOS of a personal computer (PC) without UEFI.

8. VESA BIOS Extensions - Wikipedia

   en.wikipedia.org/wiki/VESA_BIOS_Extensions

   The x86 "PC" version GNU GRUB 2 has a vbeinfo command for printing out available video modes and vbetest for trying a specific mode. They use a built-in table instead of Function 01h . For other platforms, including x86 EFI, they are replaced by the more generic videoinfo and videotest .

9. Boot sector - Wikipedia

   en.wikipedia.org/wiki/Boot_sector

   When GRUB is installed on a hard disk, boot.img is written into the boot sector of that hard disk. boot.img has a size of only 446 bytes. A boot sector is the sector of a persistent data storage device (e.g., hard disk , floppy disk , optical disc , etc.) which contains machine code to be loaded into random-access memory (RAM) and then executed ...