Update README.md

README.md

@@ -4,6 +4,36 @@
 ![GPLv3](http://img.shields.io/badge/license-GPLv3-blue.svg)
 [![Build Status](https://travis-ci.org/dubasdey/portable-ftp-server.svg?branch=master)](https://travis-ci.org/dubasdey/portable-ftp-server)
 
+Information
+-----------------------------------------------------------------------------------------
 
 Portable FTP server for Windows, Linux & Mac. Use with command line or GUI. Requires Java 1.7 or upper
 
+
+How To Use	
+-----------------------------------------------------------------------------------------
+
+Execute from graphical interface: 
+* All-in-one JAR. For GUI just download and double click.
+
+Execute from command line:
+* run
+```sh 
+java -jar PortableFtpServer.jar <port> <user> <password> <folder>
+```
+
+When:
+* *port* is the port used for the FTP server
+* *user* is the username to login in the server
+* *password* is the password to use for the user
+* *folder* is an absolute path to the folder used as FTP root
+
+By deault there is allowed only access for the desired user/password to the folder selected as root for R/W
+
+
+
+Donate
+-----------------------------------------------------------------------------------------
+Buy me a coffe to help me continue supporting this project. 
+<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=U8X6R5QYHRSCY">Buy me a coffe</a>
+