diff --git a/chapter06/bash.xml b/chapter06/bash.xml
index ea30f786d..014632aef 100644
--- a/chapter06/bash.xml
+++ b/chapter06/bash.xml
@@ -77,7 +77,7 @@ on the system rather than using its own readline version.</para></listitem>
 <para>Run the newly compiled <command>bash</command> program (replacing the one that is
 currently being executed):</para>
 
-<screen><userinput>exec /bin/bash --login +h</userinput></screen>
+<screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
 
 <note><para>The parameters used make the <command>bash</command>
 process an interactive login shell and continue to disable hashing so
diff --git a/chapter06/texinfo.xml b/chapter06/texinfo.xml
index 5807bbdaa..0cab8d0ae 100644
--- a/chapter06/texinfo.xml
+++ b/chapter06/texinfo.xml
@@ -70,7 +70,7 @@ system. If the <filename>/usr/share/info/dir</filename> file ever
 needs to be recreated, the following optional commands will accomplish
 the task:</para>
 
-<screen><userinput>cd /usr/share/info
+<screen role="nodump"><userinput>cd /usr/share/info
 rm dir
 for f in *
 do install-info $f dir 2&gt;/dev/null
diff --git a/chapter06/vim.xml b/chapter06/vim.xml
index 9a03c9b3c..a49b5b4ef 100644
--- a/chapter06/vim.xml
+++ b/chapter06/vim.xml
@@ -140,7 +140,7 @@ these programs.</para>
 <para>Documentation for other available options can be obtained by
 running the following command:</para>
 
-<screen><userinput>vim -c ':options'</userinput></screen>
+<screen role="nodump"><userinput>vim -c ':options'</userinput></screen>
 
 </sect2>