There are four main commands that you will be using while dealing with plugins.
This CLI command is used to add a new plugin to the project, for example:
ionic plugin add org.apache.cordova.camera
Also, you can use this:
ionic plugin add cordova-plugin-camera
This CLI command is used to remove a plugin from the project, for example:
ionic plugin rm org.apache.cordova.camera
Also, you can use this:
ionic plugin rm cordova-plugin-camera