Index: chapter06/createfiles.xml
===================================================================
--- chapter06/createfiles.xml	(revision aca25d4bc9c42f3074f55ed9ac8ebb8a3f609e30)
+++ chapter06/createfiles.xml	(revision cc519cf82d1e7e1237f29c6c8284a5bfc997e98a)
@@ -47,7 +47,10 @@
 ln -sv bash /bin/sh</userinput></screen>
 
-  <para>A proper Linux system maintains a list of the mounted file systems in
-  the file <filename>/etc/mtab</filename>. Systemd requires it to be a
-  symbolic link to  <filename>/proc/self/mounts</filename>:</para>
+  <para>Historically, Linux maintains a list of the mounted file systems in the
+  file <filename>/etc/mtab</filename>. Modern kernels maintain this list
+  internally and exposes it to the user via the <filename
+  class="directory">/proc</filename> filesystem. To satisfy utilities that
+  expect the presence of <filename>/etc/mtab</filename>, create the following
+  symbolic link:</para>
 
 <screen><userinput>ln -s /proc/self/mounts /etc/mtab</userinput></screen>
@@ -93,4 +96,5 @@
 adm:x:16:
 messagebus:x:18:
+systemd-journal:x:23:
 mail:x:34:
 nogroup:x:99:</literal>
Index: chapter06/flex.xml
===================================================================
--- chapter06/flex.xml	(revision aca25d4bc9c42f3074f55ed9ac8ebb8a3f609e30)
+++ chapter06/flex.xml	(revision cc519cf82d1e7e1237f29c6c8284a5bfc997e98a)
@@ -48,5 +48,5 @@
     <para>Prepare Flex for compilation:</para>
 
-<screen><userinput remap="configure">./configure --prefix=/usr             \
+<screen><userinput remap="configure">./configure --prefix=/usr \
             --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen>
 
Index: chapter06/gawk.xml
===================================================================
--- chapter06/gawk.xml	(revision aca25d4bc9c42f3074f55ed9ac8ebb8a3f609e30)
+++ chapter06/gawk.xml	(revision cc519cf82d1e7e1237f29c6c8284a5bfc997e98a)
@@ -69,10 +69,13 @@
     <segmentedlist>
       <segtitle>Installed programs</segtitle>
+      <segtitle>Installed libraries</segtitle>
       <segtitle>Installed directories</segtitle>
 
       <seglistitem>
-        <seg>awk (link to gawk), dgawk, gawk, gawk-&gawk-version;, grcat, igawk,
-        pgawk, pgawk-&gawk-version;, and pwcat</seg>
-        <seg>/usr/lib/awk, /usr/share/awk</seg>
+        <seg>awk (link to gawk), gawk, gawk-&gawk-version;, and igawk</seg>
+        <seg>filefuncs.so, fnmatch.so, fork.so, inplace.so, ordchr.so,
+        readdir.so, readfile.so, revoutput.so, revtwoway.so, rwarray.so,
+        testext.so, and time.so</seg>
+        <seg>/usr/lib/{,g}awk, /usr/share/awk</seg>
       </seglistitem>
     </segmentedlist>
@@ -89,14 +92,4 @@
           <indexterm zone="ch-system-gawk awk">
             <primary sortas="b-awk">awk</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
-      <varlistentry id="dgawk">
-        <term><command>dgawk</command></term>
-        <listitem>
-          <para>An awk debugger</para>
-          <indexterm zone="ch-system-gawk dgawk">
-            <primary sortas="b-dgawk">dgawk</primary>
           </indexterm>
         </listitem>
@@ -124,14 +117,4 @@
       </varlistentry>
 
-      <varlistentry id="grcat">
-        <term><command>grcat</command></term>
-        <listitem>
-          <para>Dumps the group database <filename>/etc/group</filename></para>
-          <indexterm zone="ch-system-gawk grcat">
-            <primary sortas="b-grcat">grcat</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
       <varlistentry id="igawk">
         <term><command>igawk</command></term>
@@ -144,34 +127,4 @@
       </varlistentry>
 
-      <varlistentry id="pgawk">
-        <term><command>pgawk</command></term>
-        <listitem>
-          <para>The profiling version of <command>gawk</command></para>
-          <indexterm zone="ch-system-gawk pgawk">
-            <primary sortas="b-pgawk">pgawk</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
-      <varlistentry id="pgawk-version">
-        <term><command>pgawk-&gawk-version;</command></term>
-        <listitem>
-          <para>Hard link to <command>pgawk</command></para>
-          <indexterm zone="ch-system-gawk pgawk-version">
-            <primary sortas="b-pgawk-&gawk-version;">pgawk-&gawk-version;</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
-      <varlistentry id="pwcat">
-        <term><command>pwcat</command></term>
-        <listitem>
-          <para>Dumps the password database <filename>/etc/passwd</filename></para>
-          <indexterm zone="ch-system-gawk pwcat">
-            <primary sortas="b-pwcat">pwcat</primary>
-          </indexterm>
-        </listitem>
-      </varlistentry>
-
     </variablelist>
 
