>>171
As of version 1.1.0, xfce4-terminal has migrated to using xfconf to store its settings.
You can view these settings in the xfce4-terminal channel through the xfce4-settings-editor application,
and manually manipulate them using xfconf-query.

xfce4-settings-editorを使うんじゃね

https://docs.xfce.org/apps/xfce4-terminal/advanced