What does fastboot oem unlock do?

Related questions

1. Does OEM unlock void warranty?
2. What does OEM unlock mean?
3. How do I know if fastboot is working?
4. Does root wipe data?
5. What happens when you reboot to bootloader?
6. Is rooting and unlocking bootloader the same?
7. Is my bootloader unlocked?
8. What is OEM on a phone?
9. Will fastboot erase data?
10. What does OEM unlock do?

Tags

1. #image
2. #precaution
3. #fastboot
4. #recovery
5. #default
6. #bootloader
7. #primarily
8. #installed
9. #where
10. #prevents
11. #simply
12. #unlock
13. #overwriting
14. #security
15. #without
16. #serves
17. #subsequent
18. #firmware