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+<body class="manpage">
+<div id="header">
+<h1>
+syslinux(1) Manual Page
+</h1>
+<h2>NAME</h2>
+<div class="sectionbody">
+<p>syslinux -
+ Install SYSLINUX to a file system
+</p>
+</div>
+</div>
+<div id="content">
+<div class="sect1">
+<h2 id="_synopsis">SYNOPSIS</h2>
+<div class="sectionbody">
+<div class="verseblock">
+<pre class="content"><strong>syslinux</strong> [<em>OPTIONS</em>] <em>DEVICE</em>
+<strong>extlinux</strong> [<em>OPTIONS</em>] <em>PATH</em>
+<strong>syslinux</strong> [-h | --help | -v | --version]
+<strong>extlinux</strong> [-h | --help | -v | --version]</pre>
+<div class="attribution">
+</div></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_description">DESCRIPTION</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Install <strong>SYSLINUX</strong> to the <em>DEVICE</em>/<em>PATH</em>, altering the boot sector and
+installing the <em>ldlinux.sys</em> boot loader file. For the Linux installer
+extlinux, <em>PATH</em> is the desired path for the control files on a mounted,
+supported file system and sets the install-time working directory. For
+all others, <em>DEVICE</em> must specify a FAT12/FAT16/FAT32 file system. For
+the Linux installers syslinux and syslinux-mtools, <em>DEVICE</em> should be an
+unmounted file system. For the DOS/Win32/Win64 installers, <em>DEVICE</em>
+should be a drive like <em>a:</em> (case insensitive).</p></div>
+<div class="paragraph"><p>For versions ~4.00 and later, either -i/--install or -U/--update must be
+specified unless modifying the ADV of an existing install (options
+tagged with <em>ADV</em>) or requesting the help/usage or version info, .</p></div>
+<div class="paragraph"><p>If, during boot, the Shift or Alt keys are held down, or the Caps or
+Scroll locks are set, <strong>Syslinux</strong> will display a <strong>lilo</strong>(8) -style "boot:"
+prompt. The user can then type a kernel file name followed by any kernel
+parameters. The <strong>Syslinux</strong> bootloader does not need to know about the
+kernel or config files in advance.</p></div>
+<div class="paragraph"><p><strong>Syslinux</strong> supports the loading of initial ramdisks (initrd) and the
+bzImage kernel format.</p></div>
+<div class="paragraph"><p>Please note, the ldlinux.sys boot loader file is flagged as immutable
+(where applicable) and is modified after copying in to help ensure
+boot-time integrity. File systems with a sufficiently large boot loader
+reserved area, like btrfs, will have ldlinux.sys installed there rather
+than as a normal file. Prior to version 4.00, extlinux would install a
+file extlinux.sys which versions 4.00 and later installers will replace with ldlinux.sys.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_options">OPTIONS</h2>
+<div class="sectionbody">
+<div class="sect2">
+<h3 id="_standalone_options">Standalone options</h3>
+<div class="dlist"><dl>
+<dt class="hdlist1">
+<strong>-i</strong>, <strong>--install</strong>
+</dt>
+<dd>
+<p>
+(~4.00+) Install SYSLINUX, regardless of an existing install.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-U</strong>, <strong>--update</strong>
+</dt>
+<dd>
+<p>
+(~4.00+) Update an existing SYSLINUX/EXTLINUX install. If no Syslinux
+boot loader is present, return an error.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-h</strong>, <strong>--help</strong>
+</dt>
+<dd>
+<p>
+Display help/usage information.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-v</strong>, <strong>--version</strong>
+</dt>
+<dd>
+<p>
+Display version information and exit immediately.
+</p>
+</dd>
+</dl></div>
+</div>
+<div class="sect2">
+<h3 id="_regular_options">Regular Options</h3>
+<div class="dlist"><dl>
+<dt class="hdlist1">
+<strong>-a</strong>, <strong>--active</strong>
+</dt>
+<dd>
+<p>
+(DOS/Win32/Win64 ONLY) Mark the install target file system’s partition
+active.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-d</strong>, <strong>--directory</strong> <em>subdirectory</em>
+</dt>
+<dd>
+<p>
+(Not necessary for extlinux as it is implied by <em>PATH</em>) Install the
+<strong>SYSLINUX</strong> control files in a subdirectory with the specified name
+(relative to the root directory on the device).
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>--device</strong> <em>DEVICE</em>
+</dt>
+<dd>
+<p>
+(extlinux ONLY; 4.06+) Force use of a specific block device (experts
+only).
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-f</strong>, <strong>--force</strong>
+</dt>
+<dd>
+<p>
+Force install even if it appears unsafe. Before 4.00, -f was used for
+--offset in the Linux installers.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-H</strong>, <strong>--heads</strong> <em>head-count</em>
+</dt>
+<dd>
+<p>
+Override the detected number of heads for the geometry. See also
+<strong>--sector</strong>.
+</p>
+</dd>
+</dl></div>
+<div class="paragraph"><p><strong>-m</strong>, <strong>--mbr</strong>:
+(DOS/Win32/Win64 ONLY) Install the regular Syslinux MBR code to the MBR.</p></div>
+<div class="dlist"><dl>
+<dt class="hdlist1">
+<strong>-M</strong>, <strong>--menu-save</strong>
+</dt>
+<dd>
+<p>
+(4.00+; ADV) Set the label to select as default on the next boot.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-o</strong>, <strong>--once</strong> <em>command</em>
+</dt>
+<dd>
+<p>
+(ADV) Declare a boot command to be tried on the first boot only. The
+use of <strong>-o</strong> for the Linux installers syslinux or syslinux-mtools has
+been deprecated as of ~4.00 and is no longer valid as of ~4.02.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-O</strong>, <strong>--clear-once</strong>
+</dt>
+<dd>
+<p>
+Clear the boot-once command. See also <strong>--once</strong>.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-r</strong>, <strong>--raid</strong>
+</dt>
+<dd>
+<p>
+(ADV) RAID mode. If boot fails, tell the BIOS to boot the next device
+in the boot sequence (usually the next hard disk) instead of stopping
+with an error message. This is useful for RAID-1 booting.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>--reset-adv</strong>
+</dt>
+<dd>
+<p>
+(ADV) Reset auxilliary data vector.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-S</strong>, <strong>--sectors</strong> <em>sector-count</em>
+</dt>
+<dd>
+<p>
+Override the detected number of sectors for the geometry. See also
+<strong>--head</strong>.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-s</strong>, <strong>--stupid</strong>
+</dt>
+<dd>
+<p>
+Install a "safe, slow and stupid" version of <strong>SYSLINUX</strong>. This version
+may work on some very buggy BIOSes on which <strong>SYSLINUX</strong> would otherwise
+fail. If you find a machine on which the -s option is required to make
+it boot reliably, please send as much info about your machine as you
+can, and include the failure mode.
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>-t</strong>, <strong>--offset</strong> <em>offset</em>
+</dt>
+<dd>
+<p>
+(Linux syslinux/syslinux-mtools ONLY) Indicates that the filesystem is
+at an offset from the base of the device or file.
+</p>
+</dd>
+</dl></div>
+<div class="paragraph"><p><strong>-z</strong>, <strong>--zipdrive</strong>
+Assume zipdrive geometry (<em>--heads 64 --sectors 32</em>). See also <strong>--head</strong>
+and <strong>--sector</strong>.</p></div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_examples">EXAMPLES</h2>
+<div class="sectionbody">
+<div class="sect2">
+<h3 id="_booting_dos">Booting DOS</h3>
+<div class="paragraph"><p>For booting DOS and other similar operating systems, there is an easy
+and generally reliable solution to substitute in SYSLINUX as the primary
+boot loader.</p></div>
+<div class="ulist"><ul>
+<li>
+<p>
+Make a DOS-bootable disk; The following are possible commands:
+</p>
+<div class="literalblock">
+<div class="content">
+<pre><code>format a: /s
+sys a:</code></pre>
+</div></div>
+</li>
+<li>
+<p>
+Copy the DOS boot sector off using Linux or copybs.com:
+</p>
+<div class="literalblock">
+<div class="content">
+<pre><code>dd if=/dev/fd0 of=dos.bss bs=512 count=1
+copybs a: a:dos.bss</code></pre>
+</div></div>
+</li>
+<li>
+<p>
+Install SYSLINUX using one of:
+</p>
+<div class="literalblock">
+<div class="content">
+<pre><code>syslinux a:
+syslinux /dev/fd0 (before 4.00)
+syslinux -i /dev/fd0 (4.00+)</code></pre>
+</div></div>
+</li>
+<li>
+<p>
+For Linux, mount the disk and copy the dos.bss to the disk:
+</p>
+<div class="literalblock">
+<div class="content">
+<pre><code>mount -t msdos /dev/fd0 /mnt
+cp dos.bss /mnt</code></pre>
+</div></div>
+</li>
+<li>
+<p>
+Copy a Linux kernel image and initrd payload files:
+</p>
+<div class="dlist"><dl>
+<dt class="hdlist1">
+<strong>Linux:</strong>
+</dt>
+<dd>
+<p>
+ cp vmlinux /mnt
+ cp initrd.gz /mnt
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>DOS/Windows:</strong>
+</dt>
+<dd>
+<p>
+ copy vmlinux a:
+ copy initrd.gz a:
+</p>
+</dd>
+</dl></div>
+</li>
+<li>
+<p>
+For Linux, umount the disk (if applicable):
+</p>
+<div class="literalblock">
+<div class="content">
+<pre><code>umount /mnt</code></pre>
+</div></div>
+</li>
+</ul></div>
+</div>
+<div class="sect2">
+<h3 id="_mbr">MBR</h3>
+<div class="paragraph"><p>In order to boot from a hard disk (or hard disk-like device) in BIOS
+mode, an appropriate MBR boot block must also be installed in the MBR
+(first sector or 512 bytes of the disk), occupying at most 440 bytes.</p></div>
+<div class="dlist"><dl>
+<dt class="hdlist1">
+<strong>DOS/Windows:</strong>
+</dt>
+<dd>
+<p>
+If using FDISK, FDISK or a similar application must also be used to mark
+the partition as active.
+</p>
+<div class="literalblock">
+<div class="content">
+<pre><code> fdisk /mbr
+OR
+ syslinux -ma c:</code></pre>
+</div></div>
+</dd>
+<dt class="hdlist1">
+<strong>Linux:</strong>
+</dt>
+<dd>
+<div class="literalblock">
+<div class="content">
+<pre><code>dd bs=440 count=1 conv=notrunc if=mbr/mbr.bin of=/dev/sda</code></pre>
+</div></div>
+<div class="paragraph"><p>For altmbr.bin, an easy way to overwrite the MBR boot block and specify
+the partion number is:</p></div>
+<div class="literalblock">
+<div class="content">
+<pre><code>printf '\1' | cat altmbr.bin - | dd bs=440 count=1 \
+ iflag=fullblock conv=notrunc of=/dev/sda</code></pre>
+</div></div>
+<div class="paragraph"><p>Note: using <em>cat</em> for writing the MBR can under some circumstances cause
+data loss or overwritting. For this reason, using <em>dd</em> is recommended
+for all situations.</p></div>
+</dd>
+</dl></div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_see_also">SEE ALSO</h2>
+<div class="sectionbody">
+<div class="paragraph"><p><strong>syslinux.cfg</strong>(5), <strong>syslinux-cli</strong>(1), <strong>lilo</strong>(8), <strong>keytab-lilo.pl</strong>(8),
+<strong>fdisk</strong>(8), <strong>mkfs</strong>(8), <strong>superformat</strong>(1).</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_author">AUTHOR</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>This AsciiDoc derived document is a modified version of the original
+<strong>SYSLINUX</strong> documentation by H. Peter Anvin <<a href="mailto:hpa@zytor.com">hpa@zytor.com</a>>. The conversion to
+a manpage was made by Arthur Korn <<a href="mailto:arthur@korn.ch">arthur@korn.ch</a>>. The conversion to
+an AsciiDoc was made by Gene Cumm <<a href="mailto:gene.cumm@gmail.com">gene.cumm@gmail.com</a>></p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_copyright">COPYRIGHT</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Copyright (C) 1994-2012 H. Peter Anvin. Free use of this software is granted
+under the terms of the GNU General Public License (GPL), version 2
+(GPLv2) (or, at your option, any later version).</p></div>
+</div>
+</div>
+</div>
+<div id="footnotes"><hr /></div>
+<div id="footer">
+<div id="footer-text">
+Last updated 2014-01-17 16:09:56 PST
+</div>
+</div>
+</body>
+</html>
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