[756a787] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY efivar-download-http "https://github.com/rhboot/efivar/releases/download/&efivar-version;/efivar-&efivar-version;.tar.bz2">
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| 8 | <!ENTITY efivar-download-ftp " ">
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| 9 | <!ENTITY efivar-md5sum "9f067275c5f7aafdd75bfb364280ac9c">
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| 10 | <!ENTITY efivar-size "108 KB">
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| 11 | <!ENTITY efivar-buildsize "2.75 MB">
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| 12 | <!ENTITY efivar-time "less than 0.1 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="efivar" xreflabel="efivar-&efivar-version;">
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| 16 | <?dbhtml filename="efivar.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy: bdubbs $</othername>
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| 20 | <date>$Date: 2021-02-21 03:35:58 +0800 (日, 2021-02-21) $</date>
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| 21 | </sect1info>
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| 22 |
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| 23 | <title>efivar-&efivar-version;</title>
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| 24 |
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| 25 | <indexterm zone="efivar">
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| 26 | <primary sortas="a-efivar">efivar</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to efivar</title>
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| 31 |
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| 32 | <para>
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| 33 | The <application>efivar</application> package provides tools and
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| 34 | libraries to manipulate EFI variables.
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| 35 | </para>
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| 36 |
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| 37 | &lfs101_checked;
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| 38 |
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| 39 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 40 | <itemizedlist spacing="compact">
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| 41 | <listitem>
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| 42 | <para>
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| 43 | Download (HTTP): <ulink url="&efivar-download-http;"/>
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| 44 | </para>
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| 45 | </listitem>
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| 46 | <listitem>
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| 47 | <para>
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| 48 | Download (FTP): <ulink url="&efivar-download-ftp;"/>
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| 49 | </para>
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| 50 | </listitem>
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| 51 | <listitem>
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| 52 | <para>
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| 53 | Download MD5 sum: &efivar-md5sum;
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| 54 | </para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>
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| 58 | Download size: &efivar-size;
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| 59 | </para>
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| 60 | </listitem>
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| 61 | <listitem>
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| 62 | <para>
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| 63 | Estimated disk space required: &efivar-buildsize;
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| 64 | </para>
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| 65 | </listitem>
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| 66 | <listitem>
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| 67 | <para>
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| 68 | Estimated build time: &efivar-time;
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| 69 | </para>
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| 70 | </listitem>
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| 71 | </itemizedlist>
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| 72 |
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| 73 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 74 | <itemizedlist spacing="compact">
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| 75 | <listitem>
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| 76 | <para>
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| 77 | Required patch:
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| 78 | <ulink url="&patch-root;/efivar-&efivar-version;-gcc_9-1.patch"/>
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| 79 | </para>
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| 80 | </listitem>
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| 81 | </itemizedlist>
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| 82 |
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| 83 | <para condition="html" role="usernotes">User Notes:
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| 84 | <ulink url="&blfs-wiki;/efivar"/></para>
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| 85 |
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| 86 | </sect2>
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| 87 |
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| 88 | <sect2 role="installation">
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| 89 | <title>Installation of efivar</title>
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| 90 |
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| 91 | <para>
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[d5cc78a] | 92 | First, apply a patch to fix an issue building with GCC 9 or later:
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[756a787] | 93 | </para>
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| 94 |
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| 95 | <screen><userinput>patch -Np1 -i ../efivar-37-gcc_9-1.patch</userinput></screen>
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| 96 |
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| 97 | <para>
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[d5cc78a] | 98 | Build <application>efivar</application> with the following commands:
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[756a787] | 99 | </para>
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| 100 |
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| 101 | <screen><userinput>make CFLAGS="-O2 -Wno-stringop-truncation"</userinput></screen>
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| 102 |
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| 103 | <para>
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| 104 | The test suite of this package is dangerous. Running it may trigger
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| 105 | firmware bugs and make your system unusable without using some special
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| 106 | hardware to reprogram the firmware.
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| 107 | </para>
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| 108 |
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| 109 | <para>
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| 110 | Now, as the <systemitem class="username">root</systemitem> user:
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| 111 | </para>
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| 112 |
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| 113 | <screen role="root"><userinput>make install LIBDIR=/usr/lib BINDIR=/bin</userinput></screen>
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| 114 |
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| 115 | <para>
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| 116 | Move the shared libraries to <filename class="directory">/lib</filename>,
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| 117 | and recreate the symlinks in <filename class="directory">/usr/lib</filename>:
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| 118 | </para>
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| 119 |
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| 120 | <screen role="root"><userinput>mv /usr/lib/libefi{boot,var}.so.* /lib &&
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| 121 | ln -sfv ../../lib/$(readlink /usr/lib/libefiboot.so) /usr/lib/libefiboot.so &&
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| 122 | ln -sfv ../../lib/$(readlink /usr/lib/libefivar.so) /usr/lib/libefivar.so
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| 123 | </userinput></screen>
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| 124 |
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| 125 | </sect2>
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| 126 |
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| 127 | <sect2 role="commands">
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| 128 | <title>Command Explanations</title>
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| 129 |
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| 130 | <para>
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| 131 | <parameter>CFLAGS="-O2 -Wno-stringop-truncation"</parameter>:
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[d5cc78a] | 132 | This option overrides the default compiler flags to avoid a build failure.
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[756a787] | 133 | </para>
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| 134 |
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| 135 | <para>
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| 136 | <parameter>LIBDIR=/usr/lib</parameter>:
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| 137 | This option overrides the default library directory of the package
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| 138 | (<filename class="directory">/usr/lib64</filename>, which is not used
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| 139 | by LFS.)
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| 140 | </para>
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| 141 |
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| 142 | <para>
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| 143 | <parameter>BINDIR=/bin</parameter>:
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| 144 | Make <command>efivar</command> avaliable even if
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| 145 | <filename class="directory">/usr</filename> is offline.
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| 146 | </para>
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| 147 | </sect2>
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| 148 |
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| 149 | <sect2 role="content">
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| 150 | <title>Contents</title>
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| 151 |
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| 152 | <segmentedlist>
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| 153 | <segtitle>Installed Programs</segtitle>
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| 154 | <segtitle>Installed Libraries</segtitle>
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| 155 | <segtitle>Installed Directories</segtitle>
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| 156 |
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| 157 | <seglistitem>
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| 158 | <seg>
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| 159 | efivar
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| 160 | </seg>
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| 161 | <seg>
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| 162 | libefiboot.so and libefivar.so
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| 163 | </seg>
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| 164 | <seg>
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| 165 | /usr/include/efivar
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| 166 | </seg>
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| 167 | </seglistitem>
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| 168 | </segmentedlist>
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| 169 |
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| 170 | <variablelist>
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| 171 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 172 | <?dbfo list-presentation="list"?>
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| 173 | <?dbhtml list-presentation="table"?>
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| 174 |
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| 175 | <varlistentry id="efivar-prog">
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| 176 | <term><command>efivar</command></term>
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| 177 | <listitem>
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| 178 | <para>
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| 179 | is a tool to manipulate UEFI variables
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| 180 | </para>
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| 181 | <indexterm zone="efivar efivar-prog">
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| 182 | <primary sortas="b-efivar">efivar</primary>
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| 183 | </indexterm>
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| 184 | </listitem>
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| 185 | </varlistentry>
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| 186 |
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| 187 | <varlistentry id="libefiboot">
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| 188 | <term><filename class="libraryfile">libefiboot.so</filename></term>
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| 189 | <listitem>
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| 190 | <para>
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| 191 | is a library used by <command>efibootmgr</command>
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| 192 | </para>
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| 193 | <indexterm zone="efivar libefiboot">
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| 194 | <primary sortas="c-libefiboot">libefiboot.so</primary>
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| 195 | </indexterm>
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| 196 | </listitem>
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| 197 | </varlistentry>
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| 198 |
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| 199 | <varlistentry id="libefivar">
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| 200 | <term><filename class="libraryfile">libefivar.so</filename></term>
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| 201 | <listitem>
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| 202 | <para>
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| 203 | is a library for the manipulation of EFI variables
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| 204 | </para>
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| 205 | <indexterm zone="efivar libefiboot">
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| 206 | <primary sortas="c-libefiboot">libefiboot.so</primary>
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| 207 | </indexterm>
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| 208 | </listitem>
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| 209 | </varlistentry>
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| 210 |
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| 211 | </variablelist>
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| 212 |
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| 213 | </sect2>
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| 214 |
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| 215 | </sect1>
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