What is the lightest Linux desktop environment?

Related questions

1. How do I switch desktops in Ubuntu?
2. What's the difference between Linux and Ubuntu?
3. What is LXDE in Linux?
4. What is Linux Gnome?
5. Why do people use Linux?
6. What fruits should not be mixed together?
7. Is Kali Linux illegal?
8. Is Ubuntu good for gaming?
9. Is Linux good for gaming?
10. What is Linux cinnamon?

Tags

1. #lightweight
2. #others
3. #platforms
4. #default
5. #there
6. #freebsd
7. #first
8. #programmed
9. #linux
10. #famous
11. #released
12. #desktop
13. #knoppix
14. #environment
15. #distributions
16. #lubuntu