mirror of https://github.com/tLDP/LDP
243 lines
7.5 KiB
Plaintext
243 lines
7.5 KiB
Plaintext
<!doctype linuxdoc system>
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<article>
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<title>Win95 + WinNT + Linux multiboot using LILO mini-HOWTO
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<author>Renzo Zanelli, <tt/rzanelli@southeast.net/
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<date>v1.0, 26 March 1998
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<abstract>
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This document describes how to use the to multiboot between Windows 95,
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Windows NT, and Linux.
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</abstract>
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<!-- Table of contents -->
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<toc>
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<!-- Begin the document -->
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<sect>Introduction
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<p>
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There are a number of documents available that describe in detail how to
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multiboot just about any number of OS's using NT's OS loader. When I
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finally bought Windows NT, I already had Windows 95 and Linux installed
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on my system and I was using LILO to multiboot between them. I decided
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to add Windows NT to LILO instead of using NT's OS loader.
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Originally I had Windows 95 on my first IDE disk drive and Linux on my
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second IDE disk drive. The Linux drive became my third IDE drive and I
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installed a new IDE disk for Windows NT as my second drive. Even though
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I haven't tried this in different configurations, I believe the order
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with which each OS is installed or which drive it is installed on is
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unimportant.
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Just remember to create those emergemcy bootup floppies when each OS
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prompts you to!
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Because I used Gilles Vollant's BootPart utility and BootPart only
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supports drives up to 4GB in size, this may not work if you have drives
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of larger capacity. If you need to work with drives greater than 4GB,
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contact Gilles directly (see BootPart documentation for Gilles' e-mail
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address).
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<sect>Installing the Operating Systems
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<p>
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When you install the OSes, make sure that all are installed on bootable
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partitions. I installed both Windows 95 and Windows NT on Fat 16
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partitions, so this procedure works on Fat 16 drives. If you decide to
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use Fat32 for Windows 95 and NTFS for Windows NT, check to see if your
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version of Linux supports them and, if so, to what extent.
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<sect1>Installing Windows 95
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<p>
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Install Windows 95 on your first drive. This will be your C: drive.
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Remember to create the Windows 95 boot floppies when prompted to do so.
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I have found that it is better if the Linux drive is removed from the
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system when installing Windows 95, so that it is never detected and it
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doesn't exist as far as Windows 95 is concerned.
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At this point, if you did everything correctly, you should be able to
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boot Windows 95.
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<sect2>Installing Windows NT 4.0
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<p>
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Install Windows NT 4.0 on your second drive. When you create the
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partition on this drive, make the partition bootable. Not all versions
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of Linux support NTFS, so I created a FAT16 partition, just to be on the
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safe side and because I wanted to exchange data between the Windows
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drives.
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When Windows NT installs, it will detect the presence of Windows 95 and
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will create an entry for it in the NT OS loader and you should see three
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entries in the OS loader menu as follows:
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<tscreen><verb>
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Windows NT Workstation Version 4.00
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Windows NT Workstation Version 4.00 [VGA mode]
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Microsoft Windows
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</verb></tscreen>
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At this point, if you did everything correctly, you should be able to
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multiboot to Windows NT and Windows 95.
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<sect3>Installing Linux
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<p>
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Install Linux on your third drive. When I installed Linux, I only had
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Windows 95 installed so I only added the Windows 95 partition to Lilo.
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You can go ahead and install all OSes while installing LILO, or edit the
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Lilo configuration file later. However you decide to do it, I will show
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you how the /etc/lilo.conf file is supposed to look in the next section.
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Once Linux is installed, you should be able to boot to Linux.
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<sect>The Linux part
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<p>
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This will involve editing the /etc/lilo.conf file and reinstalling LILO.
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The following should already be present in /etc/lilo.conf:
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<tscreen><verb>
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boot=/dev/hda
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</verb></tscreen>
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The Linux stanza should also be already present:
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<tscreen><verb>
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# Linux stanza
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image=/vmlinuz
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root=/dev/hdc1
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label=Linux
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# End Linux stanza
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</verb></tscreen>
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Now add the Windows 95 stanza:
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<tscreen><verb>
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# Windows 95 stanza
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other=/dev/hda1
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table=/dev/hda
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label=Windows95
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# End Windows 95 stanza
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</verb></tscreen>
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Now add the Windows NT stanza:
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<tscreen><verb>
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# Windows 95 stanza
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other=/dev/hdb1
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table=/dev/hda
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loader=/boot/any_d.b
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label=WindowsNT
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# End Windows 95 stanza
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</verb></tscreen>
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Now run LILO again. At this point, if all is well, you should have
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Windows 95, Windows NT, and Linux as selections from LILO. You should
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be able to boot to Linux and Windows 95 (which should give you the
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Windows NT OS loader). To make the Windows NT entry operational, you
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still need to do some work on the Windows NT side.
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<sect>The Windows NT part
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<p>
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Before you can continue, you need two do two things.
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The first is to download and unzip Gilles Vollant's BootPart utility
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which can be found at <url url="http://www.winimage.com/bootpart.htm">
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with some information on how to use it.
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The second thing to do is copy (do not delete them yet!) the following
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files to the root of the Windows NT drive:
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<tscreen><verb>
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Boot.ini
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Bootsect.dos
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Ntdetect.com
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Ntldr
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</verb></tscreen>
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These files are the Windows NT loader. They are located in the root of
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the Windows 95 drive and were placed there by Windows NT when you
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installed it.
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Once this is done, boot to the Windows 95 DOS prompt (press Shift+F5
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when Windows 95 loads) and issue the following command:
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<tscreen><verb>
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BOOTPART WINNT BOOT:D:
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</verb></tscreen>
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Now you must edit Boot.ini in your Windows NT root directory. You must
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edit three lines, one in the [boot loader] section and two in the
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[operating systems] section.
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This is the original Boot.ini:
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<tscreen><verb>
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[boot loader]
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timeout=30
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default=multi(0)disk(0)rdisk(1)partition(1)\WINNT
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[operating systems]
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multi(0)disk(0)rdisk(1)partition(1)\WINNT="Windows NT Workstation Version 4.00"
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multi(0)disk(0)rdisk(1)partition(1)\WINNT="Windows NT Workstation Version 4.00 [VGA mode]" /basevideo /sos
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C:\ = "Microsoft Windows"
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</verb></tscreen>
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This is the new Boot.ini:
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<tscreen><verb>
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[boot loader]
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timeout=30
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default=multi(0)disk(0)rdisk(0)partition(1)\WINNT
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[operating systems]
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multi(0)disk(0)rdisk(0)partition(1)\WINNT="Windows NT Workstation Version 4.00"
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multi(0)disk(0)rdisk(0)partition(1)\WINNT="Windows NT Workstation Version 4.00 [VGA mode]" /basevideo /sos
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</verb></tscreen>
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Notice that all instances of rdisk(1) have been changed to rdisk(0) and
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the line referencing Windows 95 has been removed.
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After saving Boot.ini, if you did everything correctly, you should now
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be able to boot to Windows NT from LILO.
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<sect>The Windows 95 part
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<p>
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Create a bootable DOS floppy from the Windows 95 DOS prompt (press
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Shift+F5 when Windows 95 loads). It is important that this floppy be
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created at the DOS prompt, not from a DOS window inside Windows95! Do
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not boot to Windows95 until this step is complete! Copy the file
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C:\WINDOWS95\COMMAND\SYS.COM to the floppy (substitute your Windows95
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path if different). Now boot from the floppy and enter the command:
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<tscreen><verb>
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SYS C:
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</verb></tscreen>
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This should have removed the Windows NT OS loader and you should be able
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to boot directly into Windows 95 from LILO.
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You can now remove the NT loader files:
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<tscreen><verb>
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Boot.ini
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Bootsect.dos
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Ntdetect.com
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Ntldr
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</verb></tscreen>
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<sect>References
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<p>
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Thanks to the following people (in no particular order):
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James C. Bevier & D. Michael McFarland. In a message exchange on the
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reddhat-list they provided some information on how to boot NT from
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Linux.
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Gilles Vollant. BootPart is a very useful utility and Gilles makes it
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available for free with some nice documentation. Thanks Gilles.
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Mike Harlan. By reading his 'Linux-DOS-Win95-OS2' mini-HOWTO, it helped
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me make some assumptions about LILO's behavior.
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</article>
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