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		<p>ls -l $KDEDIR</p>
		<pre class="programlisting">
		
&lt;userinput&gt;&lt;command&gt;ls&lt;/command&gt;
&lt;option&gt;-l&lt;/option&gt;
&lt;parameter&gt;$&lt;envar&gt;KDEDIR&lt;envar&gt;&lt;/parameter&gt;
&lt;/userinput&gt;
		
		</pre>
		<p>export $KDEDIR=/usr/local/kde</p>
		<pre class="programlisting">
		
&lt;userinput&gt;
&lt;command&gt;export&lt;/command&gt;
&lt;parameter&gt;$&lt;envar&gt;KDEDIR&lt;/envar&gt;=&lt;filename&gt;
/usr/local/kde&lt;/filename&gt;&lt;/parameter&gt;&lt;/userinput&gt;
		
		</pre>
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