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study/boot/Bootdisk-HOWTO/Bootdisk-HOWTO-v450/x21.html
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study/boot/Bootdisk-HOWTO/Bootdisk-HOWTO-v450/x21.html
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<HTML
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><HEAD
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><TITLE
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>Preface</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.63
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"><LINK
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REL="HOME"
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TITLE="The Linux Bootdisk HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="The Linux Bootdisk HOWTO"
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HREF="index.html"><LINK
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REL="NEXT"
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TITLE="Introduction"
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HREF="x68.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>The Linux Bootdisk HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="index.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="x68.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="AEN21"
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>1. Preface</A
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></H1
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><DIV
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CLASS="IMPORTANT"
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><P
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></P
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><TABLE
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CLASS="IMPORTANT"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/important.gif"
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HSPACE="5"
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ALT="Important"></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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> This document may be outdated. If the date on the title page is
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more than six months ago, please check the <A
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HREF="http://www.linuxlots.com/~fawcett/Bootdisk-HOWTO/index.html"
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TARGET="_top"
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> Bootdisk-HOWTO homepage</A
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> to see if a more recent version exists.
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</P
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></TD
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></TR
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></TABLE
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></DIV
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><P
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>Although this document should be legible in its text form,
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it looks much better in Postscript, PDF or HTML forms because of
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the typographical conventions used.
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</P
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN27"
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>1.1. Version notes</A
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></H2
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><P
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>Graham Chapman wrote the original Bootdisk-HOWTO and supported it
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through version 3.1. Tom Fawcett started as co-author around the time
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kernel v2 was introduced, and he is the document's current maintainer.
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Chapman has disappeared from the Linux community and his whereabouts are
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currently unknown.
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</P
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><P
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>This information is intended for Linux on the
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<EM
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>Intel</EM
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> platform. Much of this information may be
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applicable to Linux on other processors, but I have no first-hand
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experience or information about this. If you have experience with
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bootdisks on other platforms, please contact me.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN35"
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>1.2. To do list</A
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></H2
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><P
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> <P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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> User-mode-linux (<A
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HREF=" http://user-mode-linux.sourceforge.net/"
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TARGET="_top"
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> http://user-mode-linux.sourceforge.net</A
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>) seems like a great
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way to test out bootdisks without having to reboot your machine
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constantly. I haven't been able to get it to work. If anyone has
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been using this consistently with homemade bootdisks, please let
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me know.
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</P
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></LI
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><LI
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><P
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> Re-analyze distribution bootdisks and update the "How the
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Pros do it" section.
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</P
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></LI
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><LI
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><P
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>Figure out just how much of the init-getty-login sequence can
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be simplified, and rip it out. A few people have said that
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init can be linked directly to /bin/sh; if so, and if this imposes
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no great limitations, alter the instructions to do this.
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This would eliminate the need for getty, login, gettydefs, and
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maybe all that PAM and NSS stuff.
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</P
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></LI
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><LI
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><P
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>Go through the 2.4 kernel source code again and write a
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detailed explanation of how the boot process and ramdisk-loading
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process work, in detail. (If only so that I understand it
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better.) There are some issues about initrd and limitations of
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booting devices (eg flash memory) that I don't understand yet.
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</P
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></LI
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><LI
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><P
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> Delete section that describes how to upgrade existing
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distribution bootdisks. This is usually more trouble than it's
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worth.
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</P
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></LI
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><LI
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><P
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>Replace rdev commands with LILO keywords.
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</P
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></LI
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></OL
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>
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN52"
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>1.3. Feedback and credits</A
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></H2
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><P
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>I welcome any feedback, good or bad, on the content of this
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document. I have done my best to ensure that the instructions and
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information herein are accurate and reliable, but I don't know
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everything and I don't keep up on kernel development. Please let me
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know if you find errors or omissions. When writing, please indicate the
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version number of the document you're referencing. Be nice.
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</P
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><P
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> We thank the many people who assisted with corrections and
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suggestions. Their contributions have made it far better than we
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could ever have done alone.
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</P
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><P
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> Send comments and corrections to the author at the email address
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above. <EM
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>Please read <A
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HREF="troubleshooting.html"
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>Section 7</A
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>
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before asking me questions</EM
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>. Do
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<EM
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>not</EM
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> email me disk images.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN60"
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>1.4. Distribution policy</A
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></H2
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><P
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> Copyright <20> 1995-2002 by Tom Fawcett and Graham Chapman.
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This document may be distributed under the terms set forth in the <A
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HREF="http://linuxdoc.org/copyright.html"
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TARGET="_top"
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>Linux Documentation Project
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License</A
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>. Please contact the authors if you are unable to get
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the license.
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</P
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><P
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> This is free documentation. It is distributed in the hope
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that it will be useful, but <EM
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>without any
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warranty</EM
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>; without even the implied warranty of
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<EM
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>merchantability</EM
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> or <EM
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>fitness for a
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particular purpose</EM
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>.
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</P
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></DIV
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></DIV
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||||
><DIV
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||||
CLASS="NAVFOOTER"
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||||
><HR
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||||
ALIGN="LEFT"
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||||
WIDTH="100%"><TABLE
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||||
WIDTH="100%"
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||||
BORDER="0"
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||||
CELLPADDING="0"
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||||
CELLSPACING="0"
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||||
><TR
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||||
><TD
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||||
WIDTH="33%"
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||||
ALIGN="left"
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VALIGN="top"
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||||
><A
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HREF="index.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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||||
ALIGN="right"
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VALIGN="top"
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><A
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HREF="x68.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>The Linux Bootdisk HOWTO</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Introduction</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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||||
>
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