To change the default terminal app in Ubuntu 25.04 Plucky Puffin, you can follow these steps:
Step 1: Choose a configuration file to edit, such as .config/ubuntu-xdg-terminals.list or .config/gnome-xdg-terminals.list.
Step 2: Add the terminal entry ID into the configuration file.
You can find the desktop entry ID of your terminal by browsing the .desktop files in directories like /usr/share/applications or using the plocate tool.