diff --git a/pmd/bin/cpdgui.sh b/pmd/bin/cpdgui.sh
new file mode 100644
index 0000000000..9bd86ddf04
--- /dev/null
+++ b/pmd/bin/cpdgui.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Shell script to launch PMD's Copy Paste Detector GUI on a 
+# UNIX system, based on the cpdgui.bat file used to do the
+# same on MS Windows systems. This requires that the "java"
+# command be in your executable PATH.
+
+# Version number for this PMD release
+VERSION=4.2.6
+
+BINDIR=`dirname $0`
+ROOTDIR=${BINDIR}/..
+PMDJAR=${ROOTDIR}/lib/pmd-${VERSION}.jar
+JARPATH=${TOPDIR}/lib/asm-3.2.jar:${TOPDIR}/lib/jaxen-1.1.1.jar
+JVMOPTS=-Xmx512m
+MAIN_CLASS=net.sourceforge.pmd.cpd.GUI
+
+java ${JVMOPTS} -cp "${PMDJAR}:${JARPATH}" ${MAIN_CLASS} $*
diff --git a/pmd/etc/changelog.txt b/pmd/etc/changelog.txt
index 931b26a82a..eb6b22dc3c 100644
--- a/pmd/etc/changelog.txt
+++ b/pmd/etc/changelog.txt
@@ -9,6 +9,7 @@ Improve TooManyMethods rule - thanks to a patch from Riku Nykanen
 Improve DoNotCallSystemExit - thanks to a patch from Steven Christou
 Fix false negative for UseArraysAsList when the array was passed as method parameter - thanks to Andy Throgmorton
 Enhanced SuspiciousEqualsMethodName rule - thanks to Andy Throgmorton
+Add a script to launch CPDGUI on Unix system - thanks to Tom Wheeler
 
 New Rule:
 	Basic ruleset: DontCallThreadRun - thanks to Andy Throgmorton
diff --git a/pmd/xdocs/credits.xml b/pmd/xdocs/credits.xml
index b7fcfed358..194629f306 100644
--- a/pmd/xdocs/credits.xml
+++ b/pmd/xdocs/credits.xml
@@ -324,6 +324,7 @@
             <li>Tammo van Lessen - new rule GuardDebugLogging for Jakarta Commons Logging ruleset.</li>
             <li>Steven Christou - patch improving DoNotCallSystemExit rule</li>
             <li>Dinesh Bolkensteyn and SonarSource - Java 7 grammar support</li>
+            <li>Tom Wheeler - contribute a launch script for CPD GUI</li>
         </ul>
         </subsection>
         <subsection name="Organizations">