<li>In the Add Collaborator dialog box, '''create a username''', and then '''enter the IP address for that user's computer system'''.<br /><br />In order to obtain the IP address for a computer system, you can open a shell terminal window and issue the command: '''ifconfig'''<br />(look for the value labelled '''inet addr''').<br /><br />(Note: accept the default port number)... You can create other users for sharing as well...<br /><br />'''Also note, if :''' If your computer is connected via a router, you can configure your router to "route" the port number to a specific IP address to your networked machine. Your router's user manual should provide information how to do this. This is NOT a very complicated operation, and is usually located under "Advanced Settings"...<br /><br /></li>