If you haven’t used any other desktop environment except Unity under Ubuntu 16.04, there are many choices that you can try. Since Linux offers the possibility to test many desktop environments, you can choose your favorite one from the list given below.
如果在Ubuntu 16.04下未使用Unity以外的其他桌面环境，则可以尝试多种选择。 由于Linux提供了测试许多桌面环境的可能性，因此您可以从下面列出的列表中选择自己喜欢的一种。
- Gnome 3
sudo add-apt-repository ppa:gnome3-team/gnome3-staging
sudo add-apt-repository ppa:gnome3-team/gnome3
sudo apt update
sudo apt dist-upgrade
sudo apt install gnome gnome-shell
Note: If asked to select default display manager, select “lightdm”.
- KDE Plasma 5.6
sudo add-apt-repository ppa:kubuntu-ppa/backports
sudo apt update
sudo apt-get dist-upgrade
sudo apt install kubuntu-desktop
Note: If asked to select default display manager, select “lightdm”.
- XFCE
sudo apt update
sudo apt install xfce4
- LXDE
sudo apt update
sudo apt install lxde
- Cinnamon 3.0
sudo add-apt-repository ppa:embrosyn/cinnamon
sudo apt update
sudo apt install cinnamon
- MATE
sudo add-apt-repository ppa:jonathonf/mate-1.16
sudo apt update
sudo apt install mate-core mate-desktop-environment
From
http://www.upubuntu.com/2016/09/top-6-linux-desktop-environments-to.html
