If we don't output something to the window, the user may wonder if we are still installing and hesitate to press the reboot button in the popup.

build-a-pi

@@ -540,6 +540,9 @@ sudo apt -y autoremove > /dev/null 2>&1
 #restore crontab
 crontab $TEMPCRON
 rm $TEMPCRON
+
+echo "WE ARE ALL DONE HERE.  If you close this window, you will have to reboot manually."
+
 #reboot when done
 yad --width=400 --height=200 --title="Reboot" --image $LOGO \
 --text-align=center --skip-taskbar --image-on-top \