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Timestamp:
02/06/2006 08:45:42 PM (18 years ago)
Author:
Manuel Canales Esparcia <manuel@…>
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Message:

Indenting chapter 6, part 8

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7358 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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  • chapter06/man-db.xml

    rcf7142a r2fa922f  
    11<?xml version="1.0" encoding="ISO-8859-1"?>
    2 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
     2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
     3  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
    34  <!ENTITY % general-entities SYSTEM "../general.ent">
    45  %general-entities;
    56]>
     7
    68<sect1 id="ch-system-man-db" role="wrap">
    7 <title>Man-DB-&man-db-version;</title>
    8 <?dbhtml filename="man-db.html"?>
    9 
    10 <indexterm zone="ch-system-man-db"><primary sortas="a-Man-DB">Man-DB</primary></indexterm>
    11 
    12 <sect2 role="package"><title/>
    13 <para>The Man-DB package contains programs for finding and viewing man pages.</para>
    14 
    15 <segmentedlist>
    16 <segtitle>&buildtime;</segtitle>
    17 <segtitle>&diskspace;</segtitle>
    18 <seglistitem><seg>0.1 SBU</seg><seg>1.1 MB</seg></seglistitem>
    19 </segmentedlist>
    20 
    21 <segmentedlist>
    22 <segtitle>&dependencies;</segtitle>
    23 <seglistitem><seg>Bash, Berkeley DB, Binutils, Coreutils, Gawk, GCC,
    24 Gettext, Glibc, Grep, Make, and Sed</seg></seglistitem>
    25 </segmentedlist>
    26 </sect2>
    27 
    28 <sect2 role="installation">
    29 <title>Installation of Man-DB</title>
    30 
    31 <para>Three adjustments need to be made to the sources of Man-DB.</para>
    32 
    33 <para>The first one changes the location of translated manual pages that come
    34 with Man-DB, in order for them to be accessible in both traditional and
    35 UTF-8 locales:</para>
     9  <?dbhtml filename="man-db.html"?>
     10
     11  <title>Man-DB-&man-db-version;</title>
     12
     13  <indexterm zone="ch-system-man-db">
     14    <primary sortas="a-Man-DB">Man-DB</primary>
     15  </indexterm>
     16
     17  <sect2 role="package">
     18    <title/>
     19
     20    <para>The Man-DB package contains programs for finding and viewing man
     21    pages.</para>
     22
     23    <segmentedlist>
     24      <segtitle>&buildtime;</segtitle>
     25      <segtitle>&diskspace;</segtitle>
     26
     27      <seglistitem>
     28        <seg>0.1 SBU</seg>
     29        <seg>1.1 MB</seg>
     30      </seglistitem>
     31    </segmentedlist>
     32
     33    <segmentedlist>
     34      <segtitle>&dependencies;</segtitle>
     35
     36      <seglistitem>
     37        <seg>Bash, Berkeley DB, Binutils, Coreutils, Gawk, GCC, Gettext,
     38        Glibc, Grep, Make, and Sed</seg>
     39      </seglistitem>
     40    </segmentedlist>
     41
     42  </sect2>
     43
     44  <sect2 role="installation">
     45    <title>Installation of Man-DB</title>
     46
     47    <para>Three adjustments need to be made to the sources of Man-DB.</para>
     48
     49    <para>The first one changes the location of translated manual pages that come
     50    with Man-DB, in order for them to be accessible in both traditional and
     51    UTF-8 locales:</para>
    3652
    3753<screen><userinput>mv man/de{_DE.88591,} &amp;&amp;
    … …  
    4157sed -i 's,\*_\*,??,' man/Makefile.in</userinput></screen>
    4258
    43 <para>The second change is a <command>sed</command> substitution to delete the
    44 <quote>/usr/man</quote> lines in the
    45 <filename>man_db.conf</filename> file to prevent redundant results when
    46 using programs such as <command>whatis</command>:</para>
     59    <para>The second change is a <command>sed</command> substitution to delete
     60    the <quote>/usr/man</quote> lines in the <filename>man_db.conf</filename>
     61    file to prevent redundant results when using programs such as
     62    <command>whatis</command>:</para>
    4763
    4864<screen><userinput>sed -i '/\t\/usr\/man/d' src/man_db.conf.in</userinput></screen>
    4965
    50 <para>The third change accounts for programs that Man-DB should be able
    51 to find at runtime, but that haven't been installed yet:</para>
     66    <para>The third change accounts for programs that Man-DB should be able
     67    to find at runtime, but that haven't been installed yet:</para>
    5268
    5369<screen><userinput>cat &gt;&gt;include/manconfig.h.in &lt;&lt;"EOF"
    … …  
    5874EOF</userinput></screen>
    5975
    60 <para>The <command>col</command> program is a part of the Util-linux package,
    61 <command>lynx</command> is a text-based web browser
    62 (see BLFS for installation instructions),
    63 <command>vgrind</command> converts program sources to Groff input,
    64 and <command>grap</command> is useful for typesetting graphs in Groff documents.
    65 The <command>vgrind</command> and <command>grap</command> programs are
    66 not normally needed for viewing manual pages. They are
    67 not part of LFS or BLFS, but you should be able to install them yourself
    68 after finishing LFS if you wish to do so.</para>
    69 
    70 <para>Prepare Man-DB for compilation:</para>
     76    <para>The <command>col</command> program is a part of the Util-linux
     77    package, <command>lynx</command> is a text-based web browser (see BLFS
     78    for installation instructions), <command>vgrind</command> converts
     79    program sources to Groff input, and <command>grap</command> is useful
     80    for typesetting graphs in Groff documents. The <command>vgrind</command>
     81    and <command>grap</command> programs are not normally needed for viewing
     82    manual pages. They are not part of LFS or BLFS, but you should be able
     83    to install them yourself after finishing LFS if you wish to do so.</para>
     84
     85    <para>Prepare Man-DB for compilation:</para>
    7186
    7287<screen><userinput>./configure --prefix=/usr --enable-mb-groff --disable-setuid</userinput></screen>
    7388
    74 <para>The meaning of the configure options:</para>
    75 
    76 <variablelist>
    77 <varlistentry>
    78 <term><parameter>--enable-mb-groff</parameter></term>
    79 <listitem><para>This tells the <command>man</command> program to
    80 use the <quote>ascii8</quote> and <quote>nippon</quote> Groff devices for formatting non-ISO-8859-1
    81 manual pages.</para></listitem>
    82 </varlistentry>
    83 <varlistentry>
    84 <term><parameter>--disable-setuid</parameter></term>
    85 <listitem><para>This disables making the <command>man</command> program
    86 setuid to user <quote>man</quote>.</para></listitem>
    87 </varlistentry>
    88 </variablelist>
    89 
    90 <para>Compile the package:</para>
     89    <variablelist>
     90      <title>The meaning of the configure options:</title>
     91
     92      <varlistentry>
     93        <term><parameter>--enable-mb-groff</parameter></term>
     94        <listitem>
     95          <para>This tells the <command>man</command> program to use the
     96          <quote>ascii8</quote> and <quote>nippon</quote> Groff devices for
     97          formatting non-ISO-8859-1 manual pages.</para>
     98        </listitem>
     99      </varlistentry>
     100
     101      <varlistentry>
     102        <term><parameter>--disable-setuid</parameter></term>
     103        <listitem>
     104          <para>This disables making the <command>man</command> program setuid
     105          to user <systemitem class="username">man</systemitem>.</para>
     106        </listitem>
     107      </varlistentry>
     108
     109    </variablelist>
     110
     111    <para>Compile the package:</para>
    91112
    92113<screen><userinput>make</userinput></screen>
    93114
    94 <para>Install the package:</para>
     115    <para>Install the package:</para>
    95116
    96117<screen><userinput>make install</userinput></screen>
    97118
    98 <para>Additional information regarding the compression of
    99 man and info pages can be found in the BLFS book at
    100 <ulink url="&blfs-root;view/cvs/postlfs/compressdoc.html"/>.</para>
    101 
    102 </sect2>
    103 
    104 <sect2><title>Non-English Manual Pages in LFS</title>
    105 
    106 <para>Linux distributions have different policies concerning the character
    107 encoding in which manual pages are stored in the filesystem. E.g., RedHat
    108 stores all manual pages in UTF-8, while Debian uses language-specific
    109 (mostly 8-bit) encodings. This leads to incompatibility of packages with
    110 manual pages designed for different distributions.</para>
    111 
    112 <para>LFS uses the same conventions as Debian. The relationship between
    113 language codes and the expected encoding of manual pages is listed below.
    114 Man-DB automatically converts them to the locale encoding while viewing.</para>
    115 
    116 <!-- Origin: man-db-2.4.3/src/encodings.c -->
    117 <table frame='all'><title>Expected character encoding of manual pages</title>
    118 <tgroup cols='2' align='center' colsep='1' rowsep='1'>
    119 <thead>
    120 <row><entry>Language (code)</entry><entry>Encoding</entry></row>
    121 </thead>
    122 <tbody>
    123 <row><entry>Danish (da)</entry><entry>ISO-8859-1</entry></row>
    124 <row><entry>German (de)</entry><entry>ISO-8859-1</entry></row>
    125 <row><entry>English (en)</entry><entry>ISO-8859-1</entry></row>
    126 <row><entry>Spanish (es)</entry><entry>ISO-8859-1</entry></row>
    127 <row><entry>Finnish (fi)</entry><entry>ISO-8859-1</entry></row>
    128 <row><entry>French (fr)</entry><entry>ISO-8859-1</entry></row>
    129 <row><entry>Irish (ga)</entry><entry>ISO-8859-1</entry></row>
    130 <row><entry>Galician (gl)</entry><entry>ISO-8859-1</entry></row>
    131 <row><entry>Indonesian (id)</entry><entry>ISO-8859-1</entry></row>
    132 <row><entry>Icelandic (is)</entry><entry>ISO-8859-1</entry></row>
    133 <row><entry>Italian (it)</entry><entry>ISO-8859-1</entry></row>
    134 <row><entry>Dutch (nl)</entry><entry>ISO-8859-1</entry></row>
    135 <!-- BUG: "no" is deprecated, should use "nb" or "nn" and symlinks -->
    136 <row><entry>Norwegian (no)</entry><entry>ISO-8859-1</entry></row>
    137 <!-- END BUG -->
    138 <row><entry>Portuguese (pt)</entry><entry>ISO-8859-1</entry></row>
    139 <row><entry>Swedish (sv)</entry><entry>ISO-8859-1</entry></row>
    140 <!-- Languages below require patched groff -->
    141 <row><entry>Czech (cs)</entry><entry>ISO-8859-2</entry></row>
    142 <row><entry>Croatian (hr)</entry><entry>ISO-8859-2</entry></row>
    143 <row><entry>Hungarian (hu)</entry><entry>ISO-8859-2</entry></row>
    144 <row><entry>Japanese (ja)</entry><entry>EUC-JP</entry></row>
    145 <row><entry>Korean (ko)</entry><entry>EUC-KR</entry></row>
    146 <row><entry>Polish (pl)</entry><entry>ISO-8859-2</entry></row>
    147 <row><entry>Russian (ru)</entry><entry>KOI8-R</entry></row>
    148 <row><entry>Slovak (sk)</entry><entry>ISO-8859-2</entry></row>
    149 <row><entry>Turkish (tr)</entry><entry>ISO-8859-9</entry></row>
    150 </tbody>
    151 </tgroup>
    152 </table>
    153 
    154 <note><para>Manual pages in languages not in the list are not supported.
    155 Norwegian doesn't work now because of the transition from no_NO to nb_NO
    156 locale, and Korean is non-functional because of the incomplete Groff patch.
    157 </para></note>
    158 
    159 <para>If upstream distributes the manual pages in the same encoding as
    160 Man-DB expects, the manual pages can be copied to
    161 <filename class="directory">/usr/share/man/<replaceable>[language code]</replaceable></filename>.
    162 E.g., French manual pages
    163 (<ulink url="http://ccb.club.fr/man/man-fr-1.58.0.tar.bz2"/>)
    164 can be installed with the following command:</para>
     119    <para>Additional information regarding the compression of
     120    man and info pages can be found in the BLFS book at
     121    <ulink url="&blfs-root;view/cvs/postlfs/compressdoc.html"/>.</para>
     122
     123  </sect2>
     124
     125  <sect2>
     126    <title>Non-English Manual Pages in LFS</title>
     127
     128    <para>Linux distributions have different policies concerning the character
     129    encoding in which manual pages are stored in the filesystem. E.g., RedHat
     130    stores all manual pages in UTF-8, while Debian uses language-specific
     131    (mostly 8-bit) encodings. This leads to incompatibility of packages with
     132    manual pages designed for different distributions.</para>
     133
     134    <para>LFS uses the same conventions as Debian. The relationship between
     135    language codes and the expected encoding of manual pages is listed below.
     136    Man-DB automatically converts them to the locale encoding while viewing.</para>
     137
     138    <!-- Origin: man-db-2.4.3/src/encodings.c -->
     139    <table>
     140      <title>Expected character encoding of manual pages</title>
     141
     142      <tgroup cols="2">
     143
     144        <thead>
     145          <row>
     146            <entry>Language (code)</entry>
     147            <entry>Encoding</entry>
     148          </row>
     149        </thead>
     150
     151        <tbody>
     152          <row>
     153            <entry>Danish (da)</entry>
     154            <entry>ISO-8859-1</entry>
     155          </row>
     156          <row>
     157            <entry>German (de)</entry>
     158            <entry>ISO-8859-1</entry>
     159          </row>
     160          <row>
     161            <entry>English (en)</entry>
     162            <entry>ISO-8859-1</entry>
     163          </row>
     164          <row>
     165            <entry>Spanish (es)</entry>
     166            <entry>ISO-8859-1</entry>
     167          </row>
     168          <row>
     169            <entry>Finnish (fi)</entry>
     170            <entry>ISO-8859-1</entry>
     171          </row>
     172          <row>
     173            <entry>French (fr)</entry>
     174            <entry>ISO-8859-1</entry>
     175          </row>
     176          <row>
     177            <entry>Irish (ga)</entry>
     178            <entry>ISO-8859-1</entry>
     179          </row>
     180          <row>
     181            <entry>Galician (gl)</entry>
     182            <entry>ISO-8859-1</entry>
     183          </row>
     184          <row>
     185            <entry>Indonesian (id)</entry>
     186            <entry>ISO-8859-1</entry>
     187          </row>
     188          <row>
     189            <entry>Icelandic (is)</entry>
     190            <entry>ISO-8859-1</entry>
     191          </row>
     192          <row>
     193            <entry>Italian (it)</entry>
     194            <entry>ISO-8859-1</entry>
     195          </row>
     196          <row>
     197            <entry>Dutch (nl)</entry>
     198            <entry>ISO-8859-1</entry>
     199          </row>
     200          <!-- BUG: "no" is deprecated, should use "nb" or "nn" and symlinks -->
     201          <row>
     202            <entry>Norwegian (no)</entry>
     203            <entry>ISO-8859-1</entry>
     204          </row>
     205          <!-- END BUG -->
     206          <row>
     207            <entry>Portuguese (pt)</entry>
     208            <entry>ISO-8859-1</entry>
     209          </row>
     210          <row>
     211            <entry>Swedish (sv)</entry>
     212            <entry>ISO-8859-1</entry>
     213          </row>
     214          <!-- Languages below require patched groff -->
     215          <row>
     216            <entry>Czech (cs)</entry>
     217            <entry>ISO-8859-2</entry>
     218          </row>
     219          <row>
     220            <entry>Croatian (hr)</entry>
     221            <entry>ISO-8859-2</entry>
     222          </row>
     223          <row>
     224            <entry>Hungarian (hu)</entry>
     225            <entry>ISO-8859-2</entry>
     226          </row>
     227          <row>
     228            <entry>Japanese (ja)</entry>
     229            <entry>EUC-JP</entry>
     230          </row>
     231          <row>
     232            <entry>Korean (ko)</entry>
     233            <entry>EUC-KR</entry>
     234          </row>
     235          <row>
     236            <entry>Polish (pl)</entry>
     237            <entry>ISO-8859-2</entry>
     238          </row>
     239          <row>
     240            <entry>Russian (ru)</entry>
     241            <entry>KOI8-R</entry>
     242          </row>
     243          <row>
     244            <entry>Slovak (sk)</entry>
     245            <entry>ISO-8859-2</entry>
     246          </row>
     247          <row>
     248            <entry>Turkish (tr)</entry>
     249            <entry>ISO-8859-9</entry>
     250          </row>
     251        </tbody>
     252
     253      </tgroup>
     254
     255    </table>
     256
     257    <note>
     258      <para>Manual pages in languages not in the list are not supported.
     259      Norwegian doesn't work now because of the transition from no_NO to
     260      nb_NO locale, and Korean is non-functional because of the incomplete
     261      Groff patch.</para>
     262    </note>
     263
     264    <para>If upstream distributes the manual pages in the same encoding
     265    as Man-DB expects, the manual pages can be copied to
     266    <filename class="directory">/usr/share/man/<replaceable>[language
     267    code]</replaceable></filename>. E.g., French manual pages
     268    (<ulink url="http://ccb.club.fr/man/man-fr-1.58.0.tar.bz2"/>) can be
     269    installed with the following command:</para>
    165270
    166271<screen role="nodump"><userinput>mkdir -p /usr/share/man/fr &amp;&amp;
    167272cp -rv man? /usr/share/man/fr</userinput></screen>
    168273
    169 <para>If upstream distributes manual pages in UTF-8 (i.e., <quote>for RedHat</quote>)
    170 instead of the encoding listed in the table above, they have to be
    171 converted from UTF-8 to the encoding listed in the table before
    172 installation. E.g., Spanish manual pages
    173 (<ulink url="http://ditec.um.es/~piernas/manpages-es/man-pages-es-1.55.tar.bz2"/>)
    174 can be installed with the following commands:</para>
     274    <para>If upstream distributes manual pages in UTF-8 (i.e., <quote>for
     275    RedHat</quote>) instead of the encoding listed in the table above, they
     276    have to be converted from UTF-8 to the encoding listed in the table before
     277    installation. E.g., Spanish manual pages (<ulink
     278    url="http://ditec.um.es/~piernas/manpages-es/man-pages-es-1.55.tar.bz2"/>)
     279    can be installed with the following commands:</para>
    175280
    176281<screen role="nodump"><userinput>mkdir -p /usr/share/man/es &amp;&amp;
    177282find man? -type f | grep -v 'man7/iso_8859-7.7' | \
    178283while read F ; do
    179         iconv -f UTF-8 -t ISO-8859-1 $F >tmp ; mv tmp $F
     284  iconv -f UTF-8 -t ISO-8859-1 $F >tmp ; mv tmp $F
    180285done &amp;&amp;
    181286cp -rv man? /usr/share/man/es</userinput></screen>
    182287
    183 <note><para>The need to exclude the <filename>man7/iso_8859-7.7</filename> file
    184 from the conversion process because it is already in ISO-8859-1 is a packaging
    185 bug in man-pages-es-1.55. Future versions should not require this workaround.</para></note>
    186 
    187 </sect2>
    188 
    189 <sect2 id="contents-man-db" role="content"><title>Contents of Man-DB</title>
    190 
    191 <segmentedlist>
    192 <segtitle>Installed programs</segtitle>
    193 <seglistitem><seg>accessdb, apropos, catman, lexgrog, man, mandb, manpath,
    194 and whatis</seg></seglistitem>
    195 </segmentedlist>
    196 
    197 <variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
    198 <?dbfo list-presentation="list"?>
    199 <?dbhtml list-presentation="table"?>
    200 
    201 
    202 <varlistentry id="accessdb">
    203 <term><command>accessdb</command></term>
    204 <listitem>
    205 <para>Dumps the <command>whatis</command> database contents in human-readable form</para>
    206 <indexterm zone="ch-system-man-db accessdb"><primary sortas="b-accessdb">accessdb</primary></indexterm>
    207 </listitem>
    208 </varlistentry>
    209 
    210 <varlistentry id="apropos">
    211 <term><command>apropos</command></term>
    212 <listitem>
    213 <para>Searches the <command>whatis</command> database and displays the short descriptions
    214 of system commands that contain a given string</para>
    215 <indexterm zone="ch-system-man-db apropos"><primary sortas="b-apropos">apropos</primary></indexterm>
    216 </listitem>
    217 </varlistentry>
    218 
    219 <varlistentry id="catman">
    220 <term><command>catman</command></term>
    221 <listitem>
    222 <para>Creates or updates the pre-formatted manual pages</para>
    223 <indexterm zone="ch-system-man-db catman"><primary sortas="b-catman">catman</primary></indexterm>
    224 </listitem>
    225 </varlistentry>
    226 
    227 <varlistentry id="lexgrog">
    228 <term><command>lexgrog</command></term>
    229 <listitem>
    230 <para>Displays one-line summary information about a given manual page</para>
    231 <indexterm zone="ch-system-man-db lexgrog"><primary sortas="b-lexgrog">lexgrog</primary></indexterm>
    232 </listitem>
    233 </varlistentry>
    234 
    235 <varlistentry id="man">
    236 <term><command>man</command></term>
    237 <listitem>
    238 <para>Formats and displays the requested manual page</para>
    239 <indexterm zone="ch-system-man-db man"><primary sortas="b-man">man</primary></indexterm>
    240 </listitem>
    241 </varlistentry>
    242 
    243 <varlistentry id="mandb">
    244 <term><command>mandb</command></term>
    245 <listitem>
    246 <para>Creates or updates the <command>whatis</command> database</para>
    247 <indexterm zone="ch-system-man-db mandb"><primary sortas="b-mandb">mandb</primary></indexterm>
    248 </listitem>
    249 </varlistentry>
    250 
    251 <varlistentry id="whatis">
    252 <term><command>whatis</command></term>
    253 <listitem>
    254 <para>Searches the <command>whatis</command> database and displays the short descriptions
    255 of system commands that contain the given keyword as a separate
    256 word</para>
    257 <indexterm zone="ch-system-man-db whatis"><primary sortas="b-whatis">whatis</primary></indexterm>
    258 </listitem>
    259 </varlistentry>
    260 </variablelist>
    261 
    262 </sect2>
     288    <note>
     289      <para>The need to exclude the <filename>man7/iso_8859-7.7</filename> file
     290      from the conversion process because it is already in ISO-8859-1 is a
     291      packaging bug in man-pages-es-1.55. Future versions should not require
     292      this workaround.</para>
     293    </note>
     294
     295  </sect2>
     296
     297  <sect2 id="contents-man-db" role="content">
     298    <title>Contents of Man-DB</title>
     299
     300    <segmentedlist>
     301      <segtitle>Installed programs</segtitle>
     302
     303      <seglistitem>
     304        <seg>accessdb, apropos, catman, lexgrog, man, mandb, manpath,
     305        and whatis</seg>
     306      </seglistitem>
     307    </segmentedlist>
     308
     309    <variablelist>
     310      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
     311      <?dbfo list-presentation="list"?>
     312      <?dbhtml list-presentation="table"?>
     313
     314      <varlistentry id="accessdb">
     315        <term><command>accessdb</command></term>
     316        <listitem>
     317          <para>Dumps the <command>whatis</command> database contents in
     318          human-readable form</para>
     319          <indexterm zone="ch-system-man-db accessdb">
     320            <primary sortas="b-accessdb">accessdb</primary>
     321          </indexterm>
     322        </listitem>
     323      </varlistentry>
     324
     325      <varlistentry id="apropos">
     326        <term><command>apropos</command></term>
     327        <listitem>
     328          <para>Searches the <command>whatis</command> database and displays
     329          the short descriptions of system commands that contain a given
     330          string</para>
     331          <indexterm zone="ch-system-man-db apropos">
     332            <primary sortas="b-apropos">apropos</primary>
     333          </indexterm>
     334        </listitem>
     335      </varlistentry>
     336
     337      <varlistentry id="catman">
     338        <term><command>catman</command></term>
     339        <listitem>
     340          <para>Creates or updates the pre-formatted manual pages</para>
     341          <indexterm zone="ch-system-man-db catman">
     342            <primary sortas="b-catman">catman</primary>
     343          </indexterm>
     344        </listitem>
     345      </varlistentry>
     346
     347      <varlistentry id="lexgrog">
     348        <term><command>lexgrog</command></term>
     349        <listitem>
     350          <para>Displays one-line summary information about a given manual
     351          page</para>
     352          <indexterm zone="ch-system-man-db lexgrog">
     353            <primary sortas="b-lexgrog">lexgrog</primary>
     354          </indexterm>
     355        </listitem>
     356      </varlistentry>
     357
     358      <varlistentry id="man">
     359        <term><command>man</command></term>
     360        <listitem>
     361          <para>Formats and displays the requested manual page</para>
     362          <indexterm zone="ch-system-man-db man">
     363            <primary sortas="b-man">man</primary>
     364          </indexterm>
     365        </listitem>
     366      </varlistentry>
     367
     368      <varlistentry id="mandb">
     369        <term><command>mandb</command></term>
     370        <listitem>
     371          <para>Creates or updates the <command>whatis</command> database</para>
     372          <indexterm zone="ch-system-man-db mandb">
     373            <primary sortas="b-mandb">mandb</primary>
     374          </indexterm>
     375        </listitem>
     376      </varlistentry>
     377
     378      <varlistentry id="whatis">
     379        <term><command>whatis</command></term>
     380        <listitem>
     381          <para>Searches the <command>whatis</command> database and displays
     382          the short descriptions of system commands that contain the given
     383          keyword as a separate word</para>
     384          <indexterm zone="ch-system-man-db whatis">
     385            <primary sortas="b-whatis">whatis</primary>
     386          </indexterm>
     387        </listitem>
     388      </varlistentry>
     389
     390    </variablelist>
     391
     392  </sect2>
    263393
    264394</sect1>
    265 
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