Next: Introduction [Contents][Index]
This is the documentation of GNU GRUB, the GRand Unified Bootloader, a flexible and powerful boot loader program for a wide range of architectures.
This edition documents version 2.04.
This manual is for GNU GRUB (version 2.04, 9 November 2020).
Copyright © 1999,2000,2001,2002,2004,2006,2008,2009,2010,2011,2012,2013 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections.
| • Introduction | Capturing the spirit of GRUB | |
| • Naming convention | Names of your drives in GRUB | |
| • OS-specific notes about grub tools | Some notes about OS-specific behaviour of GRUB tools | |
| • Installation | Installing GRUB on your drive | |
| • Booting | How to boot different operating systems | |
| • Configuration | Writing your own configuration file | |
| • Theme file format | Format of GRUB theme files | |
| • Network | Downloading OS images from a network | |
| • Serial terminal | Using GRUB via a serial line | |
| • Vendor power-on keys | Changing GRUB behaviour on vendor power-on keys | |
| • Images | GRUB image files | |
| • Core image size limitation | GRUB image files size limitations | |
| • Filesystem | Filesystem syntax and semantics | |
| • Interface | The menu and the command-line | |
| • Environment | GRUB environment variables | |
| • Commands | The list of available builtin commands | |
| • Internationalisation | Topics relating to language support | |
| • Security | Authentication, authorisation, and signatures | |
| • Platform limitations | The list of platform-specific limitations | |
| • Platform-specific operations | Platform-specific operations | |
| • Supported kernels | The list of supported kernels | |
| • Troubleshooting | Error messages produced by GRUB | |
| • Invoking grub-install | How to use the GRUB installer | |
| • Invoking grub-mkconfig | Generate a GRUB configuration file | |
| • Invoking grub-mkpasswd-pbkdf2 | Generate GRUB password hashes | |
| • Invoking grub-mkrelpath | Make system path relative to its root | |
| • Invoking grub-mkrescue | Make a GRUB rescue image | |
| • Invoking grub-mount | Mount a file system using GRUB | |
| • Invoking grub-probe | Probe device information for GRUB | |
| • Invoking grub-script-check | Check GRUB script file for syntax errors | |
| • 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 | |
| • Copying This Manual | Copying This Manual | |
| • Index |
Next: Introduction [Contents][Index]