What is VMware vSphere hypervisor ESXi?

Related questions

1. What is feature of vSphere?
2. What is vSphere used for?
3. What are ESXi servers?
4. What is hypervisor and its types?
5. What is FT in VMware?
6. What is vCenter server appliance Vcsa?
7. What is ESXi hypervisor?
8. Is there a free version of vSphere?

Tags

1. #installed
2. #components
3. #computers
4. #integrates
5. #instead
6. #enterprise
7. #hypervisor
8. #includes
9. #developed
10. #vital
11. #software
12. #vmware
13. #virtual
14. #class
15. #system
16. #deploying
17. #serving
18. #operating
19. #formerly
20. #application
21. #kernel