Blame Documentation/Models/Docbook/Default/Book/Preface/docconvs.docbook

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<section id="preface-docconvs">
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    <title>Document Convenctions</title>
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    <para>
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        In this manual, certain words are represented in different
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        fonts, typefaces, sizes, and weights. This highlighting is
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        systematic; different words are represented in the same style
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        to indicate their inclusion in a specific category. The types
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        of words that are represented this way include the
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        following:
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    </para>
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    <variablelist>
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        <varlistentry>
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        <term><command>command</command></term>
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        <listitem>
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        <para>
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            Linux commands (and other operating system commands, when
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            used) are represented this way.  This style should
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            indicate to you that you can type the word or phrase on
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            the command line and press <keycap>Enter</keycap> to
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            invoke a command.  Sometimes a command contains words that
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            would be displayed in a different style on their own (such
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            as file names). In these cases, they are considered to be
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            part of the command, so the entire phrase is displayed as
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            a command.  For example:
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        </para>
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        <para>
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            Use the <command>centos-art render
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            trunk/Identity/Images/Themes/TreeFlower/4/Distro/5/Anaconda
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            --filter="01-welcome"</command> command to produce the first
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            slide image used by Anaconda in the branch 5 of &TC;;
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            using the version 4 of TreeFlower artistic motif.
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        </para>
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        </listitem>
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        </varlistentry>
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        <varlistentry>
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        <term><filename>file name</filename></term>
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        <listitem>
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        <para>
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            File names, directory names, paths, and RPM package names
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            are represented this way. This style indicates that a
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            particular file or directory exists with that name on your
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            system. Examples:
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        </para>
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        <para>
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            The <filename>init.sh</filename> file in 
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            class="directory">trunk/Scripts/Bash/Cli/</filename>
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            directory is the initialization script, written in Bash,
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            used to automate most of tasks in the repository.
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        </para>
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        <para>
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            The <command>centos-art</command> command uses the
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            <filename>ImageMagick</filename> RPM package to convert
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            images from PNG format to other formats.
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        </para>
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        </listitem>
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        </varlistentry>
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        <varlistentry>
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        <term><keycap>key</keycap></term>
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        <listitem>
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        <para>
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            A key on the keyboard is shown in this style.  For
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            example:
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        </para>
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        <para>
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            To use <keycap>Tab</keycap> completion to list particular
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            files in a directory, type <command>ls</command>, then a
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            character, and finally the <keycap>Tab</keycap> key. Your
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            terminal displays the list of files in the working
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            directory that begin with that character.
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        </para>
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        </listitem>
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        </varlistentry>
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        <varlistentry>
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        <term><keycombo action="simul"><keycap>key</keycap><keycap>combination</keycap></keycombo></term>
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        <listitem>
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        <para>
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            A combination of keystrokes is represented in this way.
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            For example: 
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        </para>
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        <para>
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            The 
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            action="simul"><keycap>Ctrl</keycap><keycap>Alt</keycap><keycap>Backspace</keycap></keycombo>
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            key combination exits your graphical session and returns
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            you to the graphical login screen or the console.
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        </para> 
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        </listitem> 
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        </varlistentry>
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        <varlistentry>
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        <term><computeroutput>computer output</computeroutput></term>
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        <listitem>
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        <para>
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            Text in this style indicates text displayed to a shell
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            prompt such as error messages and responses to commands.
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            For example, the <command>ls</command> command displays
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            the contents of a directory using this style:
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        </para>
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<screen>
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render_doTranslation.sh     render_getDirTemplate.sh    render_doBaseActions.sh
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render_getConfigOption.sh   render_getOptions.sh        render_doThemeActions.sh  
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render_getDirOutput.sh      render.sh
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</screen>
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        <para>
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            The output returned in response to the command (in this
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            case, the contents of the directory) is shown in this
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            style.
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        </para>
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        </listitem>
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        </varlistentry>
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        <varlistentry>
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        <term><prompt>prompt</prompt></term>
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        <listitem>
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        <para>
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            A prompt, which is a computer's way of signifying that it
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            is ready for you to input something, is shown in this
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            style. Examples:
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        </para>
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        <itemizedlist>
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        <listitem>
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        <para>
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            <prompt>$</prompt>
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        </para>
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        </listitem>
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        <listitem>
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        <para>
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            <prompt>#</prompt>
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        </para>
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        </listitem>
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        <listitem>
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        <para>
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            <prompt>[centos@projects centos]$</prompt>
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        </para>
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        </listitem>
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        <listitem>
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        <para>
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            <prompt>projects login:</prompt>
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        </para>
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        </listitem>
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        </itemizedlist>
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        </listitem>
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        </varlistentry>
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        <varlistentry>
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        <term><userinput>user input</userinput></term>
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        <listitem>
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        <para>
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            Text that the user types, either on the command line or
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            into a text box on a GUI screen, is displayed in this
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            style. In the following example,
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            <userinput>text</userinput> is displayed in this style: To
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            boot your system into the text based installation program,
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            you must type in the <userinput>text</userinput> command
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            at the <prompt>boot:</prompt> prompt.
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        </para>
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        </listitem>
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        </varlistentry>
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        <varlistentry>
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        <term><replaceable>replaceable</replaceable></term>
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        <listitem>
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        <para>
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           Text used in examples that is meant to be replaced with
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           data provided by the user is displayed in this style. In
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           the following example,
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           <replaceable>version-number</replaceable> is displayed in
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           this style: The directory for the kernel source is
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           class="directory">/usr/src/kernels/<replaceable>version-number</replaceable>/</filename>,
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           where <replaceable>version-number</replaceable> is the
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           version and type of kernel installed on this system. 
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        </para>
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        </listitem>
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        </varlistentry>
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    </variablelist>
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    <para>Additionally, we use several different strategies to draw
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    your attention to certain pieces of information. In order of
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    urgency, these items are marked as a note, tip, important,
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    caution, or warning. For example:</para>
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    <note>
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        <para>Remember that Linux is case sensitive. In other words, a
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        rose is not a ROSE is not a rOsE.</para>
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    </note> 
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    <tip>
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        <para>The directory 
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        class="directory">/usr/share/doc/</filename> contains
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        additional documentation for packages installed on your
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        system.</para>
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    </tip>
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    <important>
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        <para>If you modify the DHCP configuration file, the changes
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        do not take effect until you restart the DHCP daemon.</para>
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    </important>
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    <caution>
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        <para>Do not perform routine tasks as root — use a
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        regular user account unless you need to use the root account
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        for system administration tasks.</para>
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    </caution>
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    <warning>
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        <para>Be careful to remove only the necessary partitions.
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        Removing other partitions could result in data loss or a
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        corrupted system environment.</para>
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    </warning>
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</section>