What are the differences between RHEL and Fedora Server?

[Turritopsis Dohrnii Teo En Ming]

Good afternoon from Singapore,

What are the differences between RHEL and Fedora Server? Because I think 
both RHEL and Fedora Server are from Red Hat Inc.

When do I use RHEL?

When do I use Fedora Server?

I am looking forward to hearing from you soon.

Thank you.





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The Gospel for all Targeted Individuals (TIs):

[The New York Times] Microwave Weapons Are Prime Suspect in Ills of
U.S. Embassy Workers

Link: 
https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html

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Singaporean Mr. Turritopsis Dohrnii Teo En Ming's Academic
Qualifications as at 14 Feb 2019 and refugee seeking attempts at the 
United Nations Refugee Agency Bangkok (21 Mar 2017), in Taiwan (5 Aug 
2019) and Australia (25 Dec 2019 to 9 Jan 2020):

[1] https://tdtemcerts.wordpress.com/

[2] https://tdtemcerts.blogspot.sg/

[3] https://www.scribd.com/user/270125049/Teo-En-Ming

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