gnome 3 - option Delete Permanently in the nautilus context menu

# old :
gsettings set org.gnome.nautilus.preferences enable-delete 'true'
# new :
gsettings set org.gnome.nautilus.preferences show-delete-permanently true

Then open nautilus

Go to Edit -> Preferences, open the Behavior tab

Go to the options of Trash

Check Include a delete command that bypasses Trash

Additional tags : gnome3, tweak, tweaks