Page 178 Setting Preferences for Your Handheld4. Repeat steps 2 and 3 until the login script is complete.5. Tap OK.Plug-in applicationsYou can create plug-in applications containing script commands thatextend the functionality of the built-in script commands. A plug-inapplication is a standard PRC application that you install on yourhandheld just like any other application. After you install the plug-inapplication, you can use the new script commands in a login script.Plug-in applications have the following characteristics:n Written in C languagen Compiled into a device executablen Called properly from a login scriptn Able to return control to a login script after it terminatesn Created using a development environment that supports Palm OSsoftware, such as Metrowerks CodeWarrior for Palm Platform.For additional information on creating plug-in applications, sende-mail to Palm Developer Support at devsupp@palm.com.Deleting a service templateThere is only one way to delete a service template: use the Deletecommand from the Service menu.To delete a service template:1. Tap the Service pick list.2. Tap the service template you want to delete.3. Tap the Menu icon .4. Tap Service, and then tap Delete.5. Tap OK.Network preferences menu commandsThe Network Preferences screen includes menu commands to make itfast and easy to create and edit service templates. TCP/IP applicationmenus are shown here for your reference. See “Using menus” inChapter 1 for more information about choosing menu commands.