add for lower case file name

zk_installation_guide/before_you_start.md

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+Before developing a Web application in Java, you have to install Java
+Development Kit (JDK) and a Servlet container. Here we will guide you
+through the installation of JDK and the content of ZK binary
+distribution.

zk_installation_guide/compatibility.md

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+This table indicates the minimum supported version of ZK for use at
+specific servlet version.
+
+| Servlet compatibility table |
+|-----------------------------|
+| Servlet version             |
+| 2.4                         |
+| 3.0                         |
+| 4.0                         |
+| 5.0                         |
+
+\(1\) = ZK 10 requires Servlet 3.1 or later.
+
+\(2\) = Require configuration through web.xml or zk-web-fragment.jar See
+the
+[ZK_Configuration_Reference/web.xml](ZK_Configuration_Reference/web.xml)
+documentation page for more information on web.xml configuration.

zk_installation_guide/create_and_run_your_first_zk_application_manually.md

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+# Prepare the server
+
+## Install Tomcat
+
+First, you have to prepare a Web server. You can use any Web servers
+that support Java Servlet (2.3 or later). Here we introduce the
+installation of [Tomcat](http://tomcat.apache.org). For other servers
+and more information, please refer to [Setting up
+Servers](ZK_Installation_Guide/Setting_up_Servers).
+
+1.  Visit [Tomcat Official Site](http://tomcat.apache.org/)
+2.  Select the correct binary distribution for your environment and
+    download
+    - For Windows, you might download and execute [32-bit/64-bit Windows
+      Service
+      Installer](http://apache.stu.edu.tw//tomcat/tomcat-6/v6.0.29/bin/apache-tomcat-6.0.29.exe),
+      and then follow the instructions
+    - For any download/installation problems, please refer to
+      <http://tomcat.apache.org/tomcat-6.0-doc/index.html>
+
+## Download ZK Libraries
+
+ZK libraries can be downloaded from [ZK
+Download](http://www.zkoss.org/download/zk.dsp) and then save it to a
+proper location.
+
+# Create your first application
+
+Here shows you how to create a web application manually without IDE or
+other tools.
+
+## Create Web application
+
+ZK Web Applications use a standard directory structure defined in the
+Servlet specification.
+
+When developing ZK web applications, you must follow this structure so
+that the application can be deployed in any J2EE compliant web servers.
+
+*All you need to do is create a web application directory with related
+files.* ![](images/J2EEWebApplication.jpg "J2EEWebApplication.jpg")
+
+- Now i create one for example named
+  <span style="color:green">**myZK**</span>
+
+### Install Library Distribution
+
+1.  Unzip zk-bin-x.x.x.zip (the *x.x.x* is the latest version)
+2.  Copy JAR files under following list to <u>**myZK**/WEB-INF/lib</u>
+    :\* {YOUR_ZK_UNZIP_FOLDER}/dist/lib
+
+    :\* {YOUR_ZK_UNZIP_FOLDER}/dist/lib/ext
+
+    :\* {YOUR_ZK_UNZIP_FOLDER}/dist/lib/zkforge
+
+### Create Deployment Descriptor(Web.xml)
+
+<u>web.xml</u> is called the web application deployment descriptor. This
+is an XML file that defines servlets, servlet mappings, listeners,
+filters, welcome files etc.
+
+The deployment descriptor is a heart of any J2EE web applications, so
+*every web application **must have** a web.xml deployment descriptor
+directly under <u>WEB-INF</u> folder*.
+
+- For the content of <u>web.xml</u>, please refer to [Sample of web.xml
+  for Servlet
+  3.0](ZK_Installation_Guide/ZK_Background/Sample_of_web.xml_for_Servlet_3.0),
+  [Sample of web.xml for Servlet
+  2.4](ZK_Installation_Guide/ZK_Background/Sample_of_web.xml_for_Servlet_2.4)
+  or [Sample of web.xml for Servlet
+  2.3](ZK_Installation_Guide/ZK_Background/Sample_of_web.xml_for_Servlet_2.3),
+  depending on your Web server support.
+
+### Create First ZUL file
+
+Here is a simple zul file named **hello.zul**.
+
+``` xml
+ <window title="My First ZK Application" border="normal">
+    Hello World!
+ </window>
+```
+
+### Pack your project
+
+1.  Compress the **myZK** directory(e.g. **myZK.zip**)
+2.  Rename **myZK.zip** to **myZK.war**
+3.  Done!!
+
+## Confirm your ZK Web Archive (WAR) file
+
+     myZK.war
+     ¦  hello.zul
+     ¦  
+     - WEB-INF
+         ¦  web.xml
+         ¦  
+         - lib
+              *.jar
+
+## Run your ZK WAR file (Deploy to Tomcat)
+
+To run the application in Tomcat you have to copy the myZK.war into the
+folder TOMCAT_DIR/webapps/. Then start the application server using
+TOMCAT_DIR/bin/startup.bat (or startup.sh on linux). For additional
+information please check the [Tomcat deployment
+documentation](http://tomcat.apache.org/tomcat-6.0-doc/deployer-howto.html).
+
+After Tomcat is started the application should be available under
+(assuming the default tomcat configuration):
+
+<http://localhost:8080/myZK/hello.zul>
+
+# Version History
+
+| Version | Date | Content |
+|---------|------|---------|
+|         |      |         |