This one is actually quite important, but it is only used when you want to deal with plugins. The most common version of this command is just tns plugin add <name>. So, for example, if you want to install a plugin called NativeScript-Dom, you will perform tns plugin add nativescript-dom, and it will automatically install the code for this plugin to be used in your application. To remove this plugin, you would type tns plugin remove nativescript-dom. We also have tns plugin update nativescript-dom to remove the plugin and download and install the newest version of the plugin. Finally, running tns plugin alone will give you a list of plugins and their versions that you have installed:
However, to be honest, if I need ...