df -h

sudo apt-get update ; sudo apt-get -y dist-upgrade

sudo apt-get clean

sudo apt-get autoremove --purge

IBM Node-RED、Mathematica、Scratch、Sonic Pi、Minecraft Pi

sudo apt-get remove --purge --auto-remove nodered wolfram-engine scratch sonic-pi minecraft-pi

Java IDE：BlueJ Greenfoot IDE:Geany Sense HAT Emulator

sudo apt-get remove --purge --auto-remove bluej greenfoot geany python-sense-emu python3-sense-emu python-sense-emu-doc sense-emu-tools

Claws Mail , 瀏覽器 Epiphany, 瀏覽器Dillo

sudo apt-get remove --purge --auto-remove claws-mail epiphany-browser dillo

Libre Office
sudo apt-get remove --purge --auto-remove libreoffice*

df -h