diff --git a/README.md b/README.md
index 6e65f51..ea1553a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,45 @@
 ONOS
 ====
 
-Open Networking Operating System
\ No newline at end of file
+Open Networking Operating System
+
+BELOW TO BE WRITTEN IN DETAIL
+
+
+Building ONOS
+-------------
+
+0. Install custom jars (Only need to be run only once)
+
+    $ ./setup-local-jar.sh
+
+1. Cleanly Build ONOS
+
+    $ mvn clean
+    $ mvn compile
+     
+Running ONOS
+------------
+
+
+1. Start zookeeper
+
+    $ cd (ZOOKEEPER-INSTALL-DIR)/bin
+    
+    $ ./zkServer.sh start
+
+2. Start cassandra
+
+    $ ./start-cassandra.sh start
+
+  1. Confirm cassandra is running
+  
+      $ ./start-cassandra.sh status
+
+3. Start ONOS instance
+
+    $ ./start-onos.sh start
+    
+4. Start ONOS rest apis
+
+    $ ./start-rest.sh start