+5.) How to start the miner
+--------------------------------------------------------------------------------
+
+The miner is a test application (or maybe later used in a serious
+environment?) to find hash blocks:
+
+php index.php app=hub command=miner
+
+--------------------------------------------------------------------------------
+6.) How to start the crawler
+--------------------------------------------------------------------------------
+
+The distributed crawler is a test application (or maybe later used in a serious
+environment?) to crawl websites and build a searchable and distributed index:
+
+php index.php app=hub command=crawler
+
+--------------------------------------------------------------------------------
+7.) How to start the chat console and use it