#change default directory from screenshots to directory ubuntu
export GIO_EXTRA_MODULES=/usr/lib/x86_64-linux-gnu/gio/modules/
gsettings set org.gnome.gnome-screenshot auto-save-directory '/home/michel/Téléchargements'

#Read the value of the variable:
gsettings get org.gnome.gnome-screenshot auto-save-directory

#Reset the variable to its default value:
gsettings reset org.gnome.gnome-screenshot auto-save-directory