mimeopen

mimeopen default applications⚑

Usage⚑

Check the current default application⚑

mimeopen or mimeopen ..

Change the default application⚑

mimeopen -d or mimeopen -d ..

mimeopen will change or add the entries to ~/.config/mimeapps.list. If a .desktop entry is requiered for some app, it will be automatically created in .local/share/applications/.

(https://askubuntu.com/questions/90214/how-do-i-set-the-default-program)