Added web server description

README.md

@@ -2026,6 +2026,8 @@ A [virtual private network (VPN)](https://en.wikipedia.org/wiki/Virtual_private_
 
 **[`^        back to top        ^`](#)**
 
+A [web server](https://en.wikipedia.org/wiki/Web_server) is a piece of software and underlying hardware that accepts requests via [HTTP](https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol) (the network protocol created to distribute web content) or its secure variant [HTTPS](https://en.wikipedia.org/wiki/HTTPSs). 
+
 **Please visit [awesome-sysadmin/Web](https://github.com/awesome-foss/awesome-sysadmin#web)**