Server
A server is a computer or system that provides resources, data, services, or programs to other computers, known as clients, over a network.
Types of Servers
Servers are categorized based on the type of services they provide:
- Web Server – Hosts websites and delivers web pages to users (e.g., Apache, Nginx, IIS).
- File Server – Stores and manages files for multiple users on a network.
- Database Server – Runs databases and processes queries (e.g., MySQL, PostgreSQL, SQL Server).
- Application Server – Hosts and runs applications for users (e.g., Tomcat, WebLogic).
- Mail Server – Handles email sending, receiving, and storage (e.g., Microsoft Exchange, Postfix).
- DNS Server – Translates domain names into IP addresses (e.g., BIND, Google DNS).
- Proxy Server – Acts as an intermediary between clients and other servers for security and performance.
- Virtualization Server – Runs virtual machines (e.g., VMware ESXi, Hyper-V, Proxmox).
- Game Server – Hosts multiplayer online games (e.g., Minecraft, CS:GO servers).