efi64/txt/html/syslinux-cli.html

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 732 <body class="manpage">
 733 <div id="header">
 734 <h1>
 735 syslinux-cli(1) Manual Page
 736 </h1>
 737 <h2>NAME</h2>
 738 <div class="sectionbody">
 739 <p>syslinux-cli -
 740    *Syslinux* boot prompt/command line interface
 741 </p>
 742 </div>
 743 </div>
 744 <div id="content">
 745 <div class="sect1">
 746 <h2 id="_description">DESCRIPTION</h2>
 747 <div class="sectionbody">
 748 <div class="paragraph"><p><strong>Syslinux</strong>'s boot prompt provides a very simplistic command line
 749 interface for loading modules and booting kernels.</p></div>
 750 </div>
 751 </div>
 752 <div class="sect1">
 753 <h2 id="_boot_prompt">BOOT PROMPT</h2>
 754 <div class="sectionbody">
 755 <div class="sect2">
 756 <h3 id="_command_line_keystrokes">COMMAND LINE KEYSTROKES</h3>
 757 <div class="paragraph"><p>The command line prompt supports the following keystrokes:</p></div>
 758 <div class="literalblock">
 759 <div class="content">
 760 <pre><code>&lt;Enter&gt;               boot specified command line
 761 &lt;BackSpace&gt;           erase one character
 762 &lt;Ctrl-U&gt;              erase the whole line
 763 &lt;Ctrl-V&gt;              display the current Syslinux version
 764 &lt;Ctrl-W&gt;              erase one word
 765 &lt;Ctrl-X&gt;              force text mode
 766 &lt;Tab&gt;                 list matching labels
 767 &lt;F1&gt;..&lt;F12&gt;           help screens (if configured)
 768 &lt;Ctrl-F&gt;&lt;digit&gt;       equivalent to F1..F10
 769 &lt;Ctrl-C&gt;              interrupt boot in progress
 770 &lt;Esc&gt;                 interrupt boot in progress
 771 &lt;Ctrl-N&gt;              display network information (PXELINUX only; 3.50-4.06)</code></pre>
 772 </div></div>
 773 </div>
 774 <div class="sect2">
 775 <h3 id="_working_directory">WORKING DIRECTORY</h3>
 776 <div class="paragraph"><p>At start, the initial working directory for <strong>SYSLINUX</strong>/<strong>ISOLINUX</strong> will
 777 be the directory containing the initial configuration file.  If no
 778 configuration file is found, <strong>SYSLINUX</strong> should default to the
 779 install-time working directory, however this is a known issue with some
 780 versions including 4.06.</p></div>
 781 <div class="paragraph"><p>At start, the initial working directory for <strong>PXELINUX</strong> will be the
 782 parent directory of pxelinux.0 unless overridden with DHCP option 210.
 783 If no configuration file is found, <strong>PXELINUX</strong> will start a timer to
 784 reboot the system in an attempt to restart the boot process and resolve
 785 a possible transient issue.</p></div>
 786 </div>
 787 <div class="sect2">
 788 <h3 id="_alternate_filenames">ALTERNATE FILENAMES</h3>
 789 <div class="paragraph"><p>For kernel-like file names given on the command line, <strong>Syslinux</strong> will
 790 attempt to append file name extensions to the specified file name when
 791 the file is not found in the following order: .0[<strong>PXELINUX</strong> only],
 792 .bin[<strong>ISOLINUX</strong> only], .bs[<strong>SYSLINUX</strong> only], .bss[<strong>SYSLINUX</strong> only],
 793 .c32, .cbt[Up to 4.06], .com[Up to 4.06] and .img[<strong>ISOLINUX</strong> 1.65-4.04 only].</p></div>
 794 </div>
 795 <div class="sect2">
 796 <h3 id="_path_rules">PATH RULES</h3>
 797 <div class="paragraph"><p>The current working directory is <strong>always</strong> searched first, before PATH,
 798 when attempting to open a filename. The current working directory is
 799 not affected when specifying a file with an absolute path. For
 800 example, given the following file system layout,</p></div>
 801 <div class="literalblock">
 802 <div class="content">
 803 <pre><code>/boot/
 804         /bin/
 805                 ls.c32
 806                 libls.c32
 807         /foo/
 808                 libls.c32</code></pre>
 809 </div></div>
 810 <div class="paragraph"><p>assuming that the current working directory is /boot/foo, and assuming
 811 that libls.c32 is a dependency of ls.c32, executing /boot/bin/ls.c32
 812 will cause /boot/foo/libls.c32 to be loaded, not /boot/bin/libls.c32,
 813 even if /boot/bin is specified in the PATH directive of a config file.</p></div>
 814 <div class="paragraph"><p>The reason that things work this way is that typically a user will
 815 install all library files in the Syslinux installation directory, as
 816 specified with the --directory installer option. This method allows
 817 the user to omit the PATH directive from their config file and still
 818 have things work correctly.</p></div>
 819 </div>
 820 </div>
 821 </div>
 822 <div class="sect1">
 823 <h2 id="_author">AUTHOR</h2>
 824 <div class="sectionbody">
 825 <div class="paragraph"><p>This AsciiDoc derived document is a modified version of the original
 826 <strong>SYSLINUX</strong> documentation by H. Peter Anvin &lt;<a href="mailto:hpa@zytor.com">hpa@zytor.com</a>&gt;.  The conversion
 827 to an AsciiDoc was made by Gene Cumm &lt;<a href="mailto:gene.cumm@gmail.com">gene.cumm@gmail.com</a>&gt;</p></div>
 828 </div>
 829 </div>
 830 </div>
 831 <div id="footnotes"><hr /></div>
 832 <div id="footer">
 833 <div id="footer-text">
 834 Last updated 2014-01-17 16:09:56 PST
 835 </div>
 836 </div>
 837 </body>
 838 </html>