GRUB Manual

GRUB manual
1 Introduction to GRUB
- 1.1 Overview
- 1.2 History of GRUB
- 1.3 GRUB features
- 1.4 The role of a boot loader
2 Naming convention
3 Installation
- 3.1 Creating a GRUB boot floppy
- 3.2 Installing GRUB natively
- 3.3 Installing GRUB using grub-install
- 3.4 Making a GRUB bootable CD-ROM
4 Booting
- 4.1 How to boot operating systems
  - 4.1.1 How to boot an OS directly with GRUB
  - 4.1.2 Load another boot loader to boot unsupported operating systems
- 4.2 Some caveats on OS-specific issues
- 4.3 How to make your system robust
  - 4.3.1 Booting once-only
  - 4.3.2 Booting fallback systems
5 Configuration
6 Downloading OS images from a network
- 6.1 How to set up your network
- 6.2 Booting from a network
7 Using GRUB via a serial line
8 Embedding a configuration file into GRUB
9 Protecting your computer from cracking
10 GRUB image files
11 Filesystem syntax and semantics
- 11.1 How to specify devices
- 11.2 How to specify files
- 11.3 How to specify block lists
12 GRUB's user interface
- 12.1 The flexible command-line interface
- 12.2 The simple menu interface
- 12.3 Editing a menu entry
- 12.4 The hidden menu interface
13 The list of available commands
- 13.1 The list of commands for the menu only
- 13.2 The list of general commands
- 13.3 The list of command-line and menu entry commands
14 Error messages reported by GRUB
- 14.1 Errors reported by the Stage 1
- 14.2 Errors reported by the Stage 1.5
- 14.3 Errors reported by the Stage 2
15 Invoking the grub shell
- 15.1 Introduction into the grub shell
- 15.2 How to install GRUB via grub
- 15.3 The map between BIOS drives and OS devices
16 Invoking grub-install
17 Invoking grub-md5-crypt
18 Invoking grub-terminfo
19 Invoking grub-set-default
20 Invoking mbchk
Appendix A How to obtain and build GRUB
Appendix B Reporting bugs
Appendix C Where GRUB will go
Appendix D Hacking GRUB
- D.1 The memory map of various components
- D.2 Embedded variables in GRUB
- D.3 The generic interface for filesystems
- D.4 The generic interface for built-ins
- D.5 The bootstrap mechanism used in GRUB
- D.6 How to probe I/O ports used by INT 13H
- D.7 How to detect all installed RAM
- D.8 INT 13H disk I/O interrupts
- D.9 The structure of Master Boot Record
- D.10 The format of partition tables
- D.11 Where and how you should send patches
Index

GRUB manual

This is the documentation of GNU GRUB, the GRand Unified Bootloader, a flexible and powerful boot loader program for pcs.

This edition documents version 0.97.

Introduction: Capturing the spirit of GRUB
Naming convention: Names of your drives in GRUB
Installation: Installing GRUB on your drive
Booting: How to boot different operating systems
Configuration: Writing your own configuration file
Network: Downloading OS images from a network
Serial terminal: Using GRUB via a serial line
Preset Menu: Embedding a configuration file into GRUB
Security: Improving the security
Images: GRUB image files
Filesystem: Filesystem syntax and semantics
Interface: The menu and the command-line
Commands: The list of available builtin commands
Troubleshooting: Error messages produced by GRUB
Invoking the grub shell: How to use the grub shell
Invoking grub-install: How to use the GRUB installer
Invoking grub-md5-crypt: How to generate a cryptic password
Invoking grub-terminfo: How to generate a terminfo command
Invoking grub-set-default: How to set a default boot entry
Invoking mbchk: How to use the Multiboot checker
Obtaining and Building GRUB: How to obtain and build GRUB
Reporting bugs: Where you should send a bug report
Future: Some future plans on GRUB
Internals: Hacking GRUB
Index

Contents

GRUB Manual

Table of Contents

GRUB manual