What is hostname?

Just got my own dedicated server recently...

So, I saw this option of change hostname.
My Cpanel was emailing the contact email regarding my hostname configuration.

Originally, my dedicated server host was telling me that localhost:localdomain is the correct setting however when I go to change hostname,

Cpanel suggested the followings.


Sample Hostnames:
fred.em445webhosting.com gravity.mywebhostnew.com rr4.rrhosting.com

Ten Randomly Generated Hostnames:
megabits.xxx.com levers.xxx.comsubproblem.xxx.compatricians.xxx.com quantifying.xxx.comsalesmen.xxx.comrolling.xxx.combinoculars.fusevision.com.sg geared.xxx.comhighlighting.xxx.com



Can I assume that is it more like just a name for the server? Just like it is as a computer name for Windows OS?

So, say I eventually has multiple server, I name some as....
mail.xxx.com - my mail server
mysql.xxx.com - my mysql server
web.xxx.com - my http web display server?

Am I correct on my thought of this?

 

 

 

 

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