Web Hosting
As I'm sure you already know, the internet is a series of servers connected together, runnig software that lets them talk to each other and, as Linux is a free operating system vs Windows which is why 96.3% of the top 1million web servers run Linux!. Generally the average person doesn't need anywhere near the full capacity of a server so what most people will buy (and my sites are hosted on) shared web hosting, you interact with the server to create databases and set file permissions through software like Plesk and all is well.
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