1.删除Amazon的链接
sudo apt-get remove unity-webapps-common
2.删掉基本不用的自带软件
sudo apt-get remove thunderbird totem rhythmbox empathy braserosimple-scan gnome-mahjongg aisleriot gnome-mines cheesetransmission-common gnome-orca webbrowser-app gnome-sudokulandscape-client-ui-install
3.删除你已经卸载掉的软件包:
sudo apt-get autoclean
4.卸载电脑上存储的全部安装包
sudo apt-get clean
5.卸载电脑上一些孤立包
sudo apt-getautoremove
6. sudo apt-get remove onboarddeja-dup