diff -r 407c428adb5b -r c404a87db5b7 src/org/sonews/daemon/command/HelpCommand.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sonews/daemon/command/HelpCommand.java	Sun Aug 29 17:43:58 2010 +0200
@@ -0,0 +1,100 @@
+/*
+ *   SONEWS News Server
+ *   see AUTHORS for the list of contributors
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sonews.daemon.command;
+
+import java.io.IOException;
+import java.util.Set;
+import org.sonews.daemon.CommandSelector;
+import org.sonews.daemon.NNTPConnection;
+import org.sonews.util.io.Resource;
+
+/**
+ * This command provides a short summary of the commands that are
+ * understood by this implementation of the server. The help text will
+ * be presented as a multi-line data block following the 100 response
+ * code (taken from RFC).
+ * @author Christian Lins
+ * @since sonews/0.5.0
+ */
+public class HelpCommand implements Command
+{
+
+  @Override
+  public boolean hasFinished()
+  {
+    return true;
+  }
+
+  @Override
+  public String impliedCapability()
+  {
+    return null;
+  }
+
+  @Override
+  public boolean isStateful()
+  {
+    return true;
+  }
+
+  @Override
+  public String[] getSupportedCommandStrings()
+  {
+    return new String[]{"HELP"};
+  }
+  
+  @Override
+  public void processLine(NNTPConnection conn, final String line, byte[] raw)
+    throws IOException
+  {
+    final String[] command = line.split(" ");
+    conn.println("100 help text follows");
+
+    if(line.length() <= 1)
+    {
+      final String[] help = Resource
+        .getAsString("helpers/helptext", true).split("\n");
+      for(String hstr : help)
+      {
+        conn.println(hstr);
+      }
+
+      Set<String> commandNames = CommandSelector.getCommandNames();
+      for(String cmdName : commandNames)
+      {
+        conn.println(cmdName);
+      }
+    }
+    else
+    {
+      Command cmd = CommandSelector.getInstance().get(command[1]);
+      if(cmd instanceof HelpfulCommand)
+      {
+        conn.println(((HelpfulCommand)cmd).getHelpString());
+      }
+      else
+      {
+        conn.println("No further help information available.");
+      }
+    }
+    
+    conn.println(".");
+  }
+  
+}