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@@ -5,3 +5,63 @@
 
 CLI user guide
 ==============
+
+.. toctree::
+   :maxdepth: 1
+
+**One Command to command whole Onap !!**
+
+Provides unified commands to operate ONAP from Linux console.
+Configure the following environment variables, before using it:
+
+1. **ONAP_HOST_URL** - Onap Micro service bus(MSB) URL or a service URL
+2. **ONAP_USERNAME** - Onap user name
+3. **ONAP_PASSWORD** - Onap user password
+
+To Run a command
+-----------------
+Type **onap <command>** from linux console.
+
+To Run in Interactive mode
+--------------------------
+Type **onap** from linux console.
+
+And use the directive set to set the values for following parameters:
+
+1. **onap-host-url** - Onap Micro service bus(MSB) URL or a service URL
+2. **onap-username** - Onap user name
+3. **onap-password** - Onap user password
+
+Set the product version
+------------------------
+CLI framework is enhanced to handle multiple product versions at same
+time. so to choose the product version, set evironment variable
+**CLI_PROUDCT_VERSION**.
+
+NOTE: In interactive mode, product version can be selected using
+typing **use <product-version>**
+
+Run *onap [-v|--version]* to see the CLI and available product version details
+
+Set the parameter values
+------------------------
+Use the directive 'set' for setting the values for parameters and 'unset' for un-seting the values.
+
+Help
+----
+*onap [-h|--help]*
+*onap <command> [-h|--help]*
+
+Debug Mode
+----------
+To run in debug mode, set following environment variables:
+1. ONAP_CLI_DEBUG - By default its false, otherwise Set to true
+2. ONAP_CLI_DEBUG_PORT - By default it is 5005, otherwise set to new TCP port number
+
+More details
+-------------
+https://wiki.onap.org
+
+Command usage guide
+-------------------
+   cmd_help.rst