Please refer to http://grub4dos.sourceforge.net/wiki/ for DOCs on GRUB4DOS.
Main project page: https://gna.org/projects/grub4dos/
Download site: http://download.gna.org/grub4dos/
Download site: http://grub4dos.sourceforge.net/
Download site: http://sarovar.org/projects/grub4dos/
Download site: http://grub4dos.nufans.net/
Download site: http://sites.google.com/site/grubdos/
Download site: http://grub4dos.jot.com/
Get the latest source code by using anonymous svn in this way:
svn co svn://svn.gna.org/svn/grub4dos/trunk grub4dos
or in this way:
svn co http://svn.gna.org/svn/grub4dos/trunk grub4dos
View the source code online with your web browser at:
http://svn.gna.org/viewcvs/grub4dos/trunk/
GRUB4DOS mailing list:
grub4dos-devel@gna.org
Subscription page:
https://mail.gna.org/listinfo/grub4dos-devel/
Discussion forum(Official technical support site):
http://www.boot-land.net/forums/index.php?showforum=66
------------------------------------------------------------------------------
Usage:
GRUB [--bypass] [--time-out=T] [--hot-key=K] [--config-file=FILE]
The FILE, for example, can be (hd0,0)/menu.lst
In CONFIG.SYS, the line looks like:
install=c:\some\where\grub.exe --config-file=FILE
If no options present, GRUB.EXE simply uses
(hd0,0)/menu.lst
as the configure file, if it exists. (Notice! We finally
changed the default file from (hd0,0)/boot/grub/menu.lst to
(hd0,0)/menu.lst) (Changed 2006-12-23. See Update 3 below.)
The partition (hd0,0) can be of a Windows partition or a Linux
partition, or any other partition type supported by GRUB.
Only GRUB-style filename is acceptable here for FILE. A DOS
filename won't work(it is certain we should use GRUB-style
filenames because DOS-filenames won't access a file in a
Linux ext2 partition for example).(See Update 2 below)
Update: FILE can be the contents of a menu. Use semi-colon
to delimitate the embedded commands here in FILE. The FILE
can be enclosed with a pair of double-quotes. For example:
GRUB --config-file="root (hd0,0);chainloader +1"
This command will boot the system in (hd0,0).
Another example:
GRUB --config-file="reboot"
This command will reboot the machine.
One more example:
GRUB --config-file="halt"
This command will halt the machine.
if --bypass is specified, GRUB will exit to DOS when
timeout reached.
The option `--time-out=T' specifies the timeout value in
seconds. T defaults to 5 if --bypass is specified and defaults
to 0 if --bypass is not specified.
The default hot key value is 0x3920(for space bar). If this
key is pressed, GRUB will boot normally. If another key is
pressed, GRUB will terminate immediately and return back to
DOS. See "int 16 keyboard scan codes" below.
Each option can be specified only once at most.
Update 2: DOS filenames have been supported(patched by John
Cobb). If the beginning two characters of FILE are "#@", then
the rest of FILE is taken as a DOS filename. Example:
GRUB --config-file="#@c:\menu.lst"
Only the beginning 4KB of the DOS file will be used. The file
should be an uncompressed text file.
Note: You may also use the `direct DOS file access' with the
SHELL or INSTALL line in CONFIG.SYS, but should not use it
with the DEVICE line. The DOS document said that a DOS device
driver should not call the `open file' DOS call.
Update 3(2006-12-23): By default, GRUB.EXE will locate its
config file in the following order:
(DOS file) .\menu.lst, the MENU.LST in the current dir.
(DOS file) \menu.lst, the MENU.LST in the root dir of
the current drive.
(GRUB file) /menu.lst, the MENU.LST in the root dir of
the boot device.
The default boot device is still (hd0,0).
--------------------------------------------------------
Update 1: Version 0.2.0 also brings out a new thing, GRUB for NTLDR,
which could be used to boot into GRUB from the boot menu
of Windows NT/2000/XP. Copy GRLDR to the root directory of
drive C: of Windows NT/2000/XP and append to C:\BOOT.INI
this line:
C:\GRLDR="Start GRUB"
That will be done. The GRLDR should be in the same directory
as BOOT.INI and NTLDR. Note that BOOT.INI is usually hidden
and you must unhide it before you can see it. The filename
GRLDR shouldn't be changed. If GRLDR is in a NTFS partition,
it should be copied to the root directory of another non-NTFS
partition(and likewise should the menu.lst file be). If GRLDR
is compressed, e.g., in a NTFS partition, it will not work.
Even if the drive letter of this disk has been changed to
other than C by the Windows device manager, it seems you still
have to use the letter C here in BOOT.INI, otherwise, NTLDR
will fail to locate the GRLDR file.
And what's more, if you are booting NTLDR from a floppy, you
will have to write the GRLDR line in A:\BOOT.INI like this:
C:\GRLDR="Start GRUB"
and shouldn't use the letter A like this:
A:\GRLDR="Start GRUB"
(Note that in the case when BOOT.INI is on floppy A, the
notation "C:\GRLDR" actually refer to the file A:\GRLDR).
Update 2: GRUB for Linux is also introduced along with 0.2.0. You can
boot grub using a linux loader KEXEC, LILO, SYSLINUX or another
GRUB. (GRUB4LIN has merged into GRUB.EXE)
To boot GRUB off Linux, use this pair of commands:
kexec -l grub.exe
kexec -e
To boot GRUB via GRUB, use commands like the following:
kernel (hd0,0)/grub.exe
boot
To boot GRUB via LILO, use these lines in lilo.conf:
image=/boot/grub.exe
label=grub.exe
To boot GRUB via SYSLINUX, use these lines in syslinux.cfg:
label grub.exe
kernel grub.exe
LOADLIN may encounter problems when loading grub.exe, because
grub.exe requires some unchanged original BIOS interrupt
vectors, but DOS has destroyed them, and loadlin does not
recover them before it transfers control to grub.exe.
Update 3: Beginning at version 0.4.0, GRUB for DOS supports memdrives.
Example:
# boot into a floppy image
map --mem (hd0,0)/floppy.img (fd0)
map --hook
chainloader (fd0)+1
rootnoverify (fd0)
map --floppies=1
boot
Because the image will be copied to a memory area, the image
itself can be non-contiguous and even gzipped.
Another Example:
map --mem=-2880 (hd0,0)/floppy.img (fd0)
This memdrive (fd0) will occupy at least 1440 KB of memory.
This is useful when the size of a 1.44M-floppy image is less
than 1440 KB.
One more example:
map --mem --read-only (hd0,0)/hd.img (hd1)
This memdrive is a hard drive, and read-only. That means you
will not be able to write data to the memdrive (hd1).
You can use many memdrives and many ordinary virtual emulated
disk-based drives at the same time.
If the BIOS does not support int15/EAX=e820h, you will not be
able to use any memdrives.
Update 4: For memdrive emulation, a single-partition image can be used
instead of a whole-harddrive image. Example:
map --mem (hd0,7)/win98.img (hd0)
map --hook
chainloader (hd0)+1
rootnoverify (hd0)
map --harddrives=1
boot
Here win98.img is a partition image without the leading MBR
and partition table in it. Surely GRUB for DOS will build an
MBR and partition table for the memdrive (hd0).
Update 5: Now GRLDR can be used as a no-emulation-mode bootable CD-ROM
boot image. Example for Linux users:
mkdir iso_root
cp grldr iso_root
mkisofs -R -b grldr -no-emul-boot -boot-load-seg 0x1000 -o bootable.iso iso_root
As an alternative, grldr can also be used the same way as
stage2_eltorito. The -boot-info-table option is allowed but you
can omit it:
mkdir iso_root
cp grldr iso_root
mki
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grub4dos是一个遵从Multiboot(多重启动)规范的启动管理程序
共20个文件
exe:4个
txt:3个
grldr:2个
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GRUB 是一个遵从Multiboot(多重启动)规范的启动管理程序。现在接触到的有3种,即GNU Grub Lagecy , GNU Grub2 和 Grub for dos(grub4dos)。 GNU GRUB Lagecy其实就是原来的 GNU GRUB 0.xx ,最新版是2005年发布的GNU GRUB 0.97。 目前已停止开发,并改名为 GNU GRUB Lagecy。 GNU GRUB2是第二代GRUB,它将取代原来的GNU GRUB(例如0.9x版),但目前还处于开发阶段,尚未发布正式版。 GNU GRUB Lagecy和GNU GRUB2都是 GNU 组织的项目。 GRUB for DOS(GRUB4DOS)是一个以 GNU GRUB 为基础的功能强大的引导器。它可以在 DOS 和 LINUX下运行,也可以通过其他引导器来运行,还可以作为MBR运行。GRUB4DOS内置了功能完善的 BIOS 级磁盘仿真。 下面以比较广泛使用的GRUB4DOS为基础进行说明。GNU GRUB与GRUB4DOS的不同之处,可参看相关说明文件。
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grub4dos.rar (20个子文件)
grub4dos
grub4dos初级教程 CHM图文版_0331.CHM 1.47MB
grub4dos-0.4.4
COPYING 18KB
grub.pif 967B
grub.exe 218KB
config.sys 933B
grldr 201KB
grldr.mbr 9KB
bootlace.com 36KB
grub4dos_r63.diff 176KB
default 2KB
badgrub.exe 216KB
hmload.com 2KB
grub4dos_r60.diff 377KB
ChangeLog_GRUB4DOS.txt 22KB
menu.lst 2KB
README_GRUB4DOS.txt 129KB
Get_Source_of_This_Build.txt 385B
chinese
grub.exe 233KB
grldr 216KB
badgrub.exe 231KB
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