915resolution - This module is used to change the video resolution.
acpi - Advanced Configuration and Power Interface (ACPI) is used to perform various power-related functions.
adler32 - This is a cryptography module that contains the tools needed to use the Adler-32 checksum.
affs - Support for the AFFS filesystem is provided by this module.
afs - Support for the AFS filesystem is provided by this module.
ahci - AHCI stands for "Advanced Host Controller Interface" and this is a special hard-drive format (like IDE or SATA). This module offers the needed code for GRUB to recognize such devices.
all_video - Additional video and graphics support can be gained when the "all_video" module is loaded.
ata - This module provides support for ATA computer buses.
at_keyboard - This module is used to support the 84-key keyboards.
backtrace - This module gets the list of functions that are running in an active thread.
bfs - This module provides support for the Be FileSystem which is used by BeOS.
biosdisk - This module provides GRUB with the ability to boot off of LiveDisks.
blocklist - This module displays the list of blocks used by the specified file.
bsd - This module provides support for loading BSD kernels.
btrfs - This module provides support for the B-tree Filesystem.
bufio - This module supports buffer reads and writes.
cat - The "cat" command is provided by this module.
cbfs - This module provides GRUB with support for the Callback Filesystem (CBFS).
cbls - This module lists the coreboot tables.
cbmemc - This module displays the contents of the CBMEM console.
cbtable - This module provides support for Coreboot tables.
chain - This module offers chainloading capabilities.
cmosdump - This command displays the raw CMOS data.
cmp - The "cmp" command is provided by this module.
configfile - This module provides the ability to read and manipulate configuration files.
cpio_be - This module provides support for big-endian CPIO.
cpio - This module provides support for CPIO.
cpuid - This modules tests for various CPU features.
crc64 - This module offers an error-detection tool known as Cyclic Redundancy Check (CRC).
cryptodisk - This module is needed to mount a crypto disk.
date - This module provides the "date" command.
datetime - This module provides the "datetime" command.
(log in to hide this advertisement)
diskfilter - This module is needed to read RAID arrays.
disk - This module is needed to read hard-drives.
drivemap - This module contains functions related to BIOS drive mappings.
echo - This module provides the "echo" command.
efiemu - This module provides EFI emulation features.
ehci - This module provides support for the Enhanced Host Controller Interface (EHCI) which is used by USBv2.
elf - This module loads ELF files.
eval - This module provides the "eval" command which is used to evaluate expressions.
exfat - GRUB can gain support for FAT64 (also called exFAT) with this module.
ext2 - This module provides support for EXT2 filesystems.
fat - GRUB can gain support for the FAT filesystem with this module.
file - This module provides the basic file I/O functions.
font - This module provides many font-related functions.
freedos - This module contains the code needed to boot FreeDOS.
fshelp - This module contains functions related to filesystem-helpers.
gcry_arcfour - This module provides support for the ARC4 cryptography tool.
NOTE: "gcry_*" modules are GRUB Cryptography tools.
gcry_blowfish - This module provides support for the Blowfish cryptography tool.
gcry_camellia - This module provides support for the Camellia cryptography tool.
gcry_cast5 - This module provides support for the CAST-128 (also called CAST5) cryptography tool.
gcry_crc - This module provides support for the hash functions needed by Cyclic Redundancy Check utility.
gcry_des - This module provides support for the Data Encryption Standard (DES) algorithm.
gcry_dsa - This module provides support for the Digital Signature Algorithm (DSA) cryptography tool.
gcry_idea - This module provides support for the International Data Encryption Algorithm (IDEA) cryptography tool.
gcry_md4 - This module provides support for the MD4 checksum utility.
gcry_md5 - This module provides support for the MD5 checksum utility.
gcry_rfc2268 - This module provides support for the RFC2268 cryptography tool.
gcry_rijndael - This module provides support for the Rijndael encryption algorithm cryptography tool (which is similar to DES).
gcry_rsa - This module provides support for the RSA cryptography tool.
gcry_seed - This module provides support for the SEED (block cypher) cryptography tool.
gcry_serpent - This module provides support for the Serpent (a symmetric key block cipher) cryptography tool.
gcry_sha1 - This module provides support for the SHA1 checksum utility.
gcry_sha256 - This module provides support for the SHA256 checksum utility.
gcry_sha512 - This module provides support for the SHA512 checksum utility.
gcry_tiger - This module provides support for the Tiger (hash function) cryptography tool.
gcry_twofish - This module provides support for the Twofish (a symmetric key block cipher) cryptography tool.
gcry_whirlpool - This module provides support for the Whirlpool (hash function) cryptography tool.
gdb - This module contains features related to the GNU Debugger (GDB).
geli - This module provides a block device-layer disk encryption system for FreeBSD.
gettext - This module provides language translation abilities.
gfxmenu - This module provides the gfxmenu.
gptsync - A GPT partition table can be synced with an MBR partition table using this module.
gzio - This module offers Gzip I/O abilities.
halt - This module provides the "halt" command.
hashsum - This module provides the features needed to compute and check hash checksums.
hdparm - GRUB can use this module to set and get ATA parameters.
hello - This module is an "Hello World" example for making GRUB modules.
help - This module provides the help utility.
hexdump - This module offers hex dump capabilities.
hfs - GRUB uses this module to gain support for the HFS filesystem.
hfspluscomp - HFS+ compression is supported with this module.
hfsplus - GRUB uses this module to gain support for the HFS+ filesystem.
http - GRUB can boot systems that reside on a Network Filesystem (NFS). This means that GRUB may need some networking capabilities sometimes. The "http" module provides the Hyper Text Transfer Protocol.
hwmatch - Blacklists and whitelists for hardware are used with this module.
iorw - This module is used to read and write the input and output of devices..
iso9660 - This module offers iso9660 support which is needed to read optical discs that use this filesystem.
jfs - GRUB uses this module to gain support for the JFS filesystem.
jpeg - GRUB can have background images (like a wallpaper). The "jpeg" module provides support for JPEG images, which GRUB can use as a background image.
keylayouts - The keyboard layout can be changed using this module.
keystatus - By using the keystatus module, GRUB can detect whether or not key modifiers are active (such as caps-lock, shift, ctrl, etc.).
ldm - The LDM module offers support for the LDM partitioning layout (Microsoft's Logical Disk Manager).
legacycfg - Backwards compatibility for various GRUB Legacy features are provided with this module.
legacy_password_test - This module is used to test the legacy password system.
linux16 - The "linux16" command is in this module. The command is used to load a 16-bit Linux system.
linux - This module is just like the "linux16" module except that this is the standard "linux" command.
loadenv - This module provides the "loadenv" command which is used to load variables from the environment block file.
loopback - The "loopback" command comes from the "loopback" module. "loopback" provides the tools needed to create loopback devices.
lsacpi - This module is used to list the detected ACPI devices.
lsapm - This module lists Advanced Power Management (APM) devices. APM is the predessor to ACPI.
lsmmap - This module displays the memory map (LiSt Memory Map).
ls - This module provides GRUB with the "ls" command which is used to list devices or files.
lspci - This module provides the "lspci" command which is used to list PCI devices.
luks - Linux Unified Key Setup (LUKS) is a special disk-encryption format used by Linux systems. With this driver, GRUB can access LUKS partitions with this module.
lvm - This module offers GRUB support for Linux's Logical Volume Manager (LVM).
lzopio - This module provides support for reading and writing (I/O) files that are compressed with lzop. "lzop" is similar to Gzip and uses the LZO compression library.
macbless - With this module, GRUB can "bless" a file or directory that resides on an HFS or HFS+ filesystem. To "bless" a file means to make it bootable and set various options related to startup.
macho - Mach-O files cannot be loaded without using this module. A Mach-O file is a Mach Object file format that has replaced the "a.out" file format.
mda_text - This driver provides text support for MDA (Monochrome Display Adapter) as opposed to VGA.
mdraid09_be - RAID support with big-endian is given to GRUB via this module.
mdraid09 - RAID support is given to GRUB via this module.
mdraid1x - RAID1 support is offered with this module.
memdisk - This module provides GRUB a way to boot old operating systems (like from floppy drives). http://www.syslinux.org/wiki/index.php/MEMDISK
memrw - GRUB uses this module to read and write to physical memory.
minicmd - The commands that are available in rescue mode come from this module.
minix2_be - Support for MinixFS v2 with big-endian is provided by this module.
minix2 - Support for MinixFS v2 without big-endian is provided by this module.
minix3_be - Support for MinixFS v3 with big-endian is provided by this module.
minix3 - Support for MinixFS v3 without big-endian is provided by this module.
minix_be - Support for MinixFS v1 with big-endian is provided by this module.
minix - General support for Minix filesystems is offered by this module.
mmap - This module provides the needed code for memory mapping.
morse - GRUB can provide information via Morse Code when this module is loaded.
mpi - GRUB can support the Message Passing Interface (MPI) which is commonly seen on clusters.
msdospart - Support for MS-DOS partitions (commonly called "MBR partitions") is provided by this module.
multiboot2 - This module provides various functions needed to support multi-booting systems (just like the "multiboot" system). However, this module provides additional and newer features.
multiboot - This module provides various functions needed to support multi-booting systems.
named-colors - This module is a library that contains various color names with the RGB values for that color.
nativedisk - This module makes GRUB use native disk drivers such as pata, ahci, usbms, ohci, uhci, and ehci.
net - Many network drivers and functions are contained in this module. GRUB is able to boot from remote hard-drives via the network.
newc - NewC is a special CPIO format. This module provides a way for GRUB to access such CPIO files.
nilfs2 - This module provides support for NILFS2 (New Implementation of Log filesystem v2).
normal - This module provides "Normal Mode" which is the opposite of "Rescue Mode".
ntfscomp - GRUB is able to support the compression commonly used in NTFS with this module.
ntfs - GRUB uses this module to gain support for the NTFS filesystem.
ntldr - This module is based on the "chainloader" module and is used to boot a Windows partition. This module does not read the Volume Boot Record. This is helpful in cases when the Volume Boot Record is corrupted.
odc - This module provides support for a special CPIO format known as "Octet-oriented cpio format".
ohci - Open Host Controller Interface (OHCI) is a hardware standard commonly used by FireWire devices.
part_acorn - This module provides support for Acorn partitions and partitioning tables.
part_amiga - This module provides support for Amiga partitions and partitioning tables.
part_apple - This module provides support for Apple partitions and partitioning tables.
part_bsd - This module provides support for BSD partitions and partitioning tables.
part_dfly - This module provides support for DFLY partitions and partitioning tables.
part_dvh - This module provides support for DVH partitions and partitioning tables.
part_gpt - This module provides support for GPT (GUID Partition Table) partitions and partitioning tables.
part_msdos - This module provides support for MS-DOS (MBR) partitions and partitioning tables.
part_plan - This module provides support for Plan9 partitions and partitioning tables.
part_sun - This module provides support for Sun partitions and partitioning tables.
part_sunpc - This module provides support for SunPC partitions and partitioning tables.
parttool - This module provides the "parttool" command.
password - This module provides the "password" command.
pata - Support for the Parallel ATA (PATA) disk interface is provided by this module.
pbkdf2 - This module provides the PBKDF2 (Password-Based Key Derivation Function 2) cryptography tool.
pcidump - This module provides information on the detected PCI devices.
pci - This module provides support for Peripheral Component Interconnect (PCI) computer buses.
plan9 - This module is needed by GRUB to load Plan9 kernels.
play - This module provides the "play" command which is used to play sound via the BIOS speaker.
png - PNG files can be used as the background image when this module is loaded.
probe - This module is used to probe for device information.
procfs - This module provides support for ProcFS.
progress - This module provides a progress bar.
pxechain - This module supports PXE chainloading.
pxe - GRUB uses this module to gain support for Preboot eXecution Environment (PXE). This is used to boot an operating system independently of local storage units.
raid5rec - This module provides RAID5 support.
raid6rec - This module provides RAID6 support.
read - This module provides the "read" command.
reboot - This module provides the "reboot" command.
regexp - Regular Expressions (REGEX wildcards) are supported via this module.
reiserfs - This module provides support for the Reiser Filesystem.
romfs - This module provides RomFS support.
scsi - This module provides support for the SCSI (Small Computer System Interface) hardware protocols and standards.
sendkey - This module provides the "sendkey" command which is used to send emulated key-presses to GRUB.
serial - This module provides support for serial devices.
setjmp - This module is a library that provides support for non-local jumps. This is needed to manage errors and interrupts.
setpci - This module is used to configure PCI devices.
sfs - Support for the Smart Filesystem (SFS) is offered by this module. SFS is a journaling filesystem used by Amiga systems.
sleep - The "sleep" command is provided by this module. The "sleep" command is just like the one in BASH; execution will wait/pause for the specified time.
sleep_test - This module is used to test for proper "sleep" support.
spkmodem - This module is a generic speaker driver for GRUB. Enabling this feature can slow down the booting process.
spkmodem-recv - This module decodes spkmodem signals.
squash4 - GRUB can access Squash Filesystem with this module. SquashFS is a read-only filesystem that is compressed.
syslinuxcfg - GRUB can support SysLinux configuration files with this module.
tar - Support for Tar files is offered with this module.
terminal - This module provides support for terminals.
terminfo - GRUB can read terminfo entries via this module.
testload - GRUB can load a file multiple ways to test for errors.
test - This module provides the "test" command which is used to evaluate an expression.
testspeed - GRUB's fle reading speed can be measured with this module.
tftp - Trivial File Transfer Protocol (TFTP) provides GRUB a way to get files needed for booting from another system. This also provides a way to support diskless booting.
tga - This module offers support for the Tandy Graphics Adapter (TGA) which is a technology similar