What is a Server?
A server is a computer or system that provides resources, data, services, or programs to other computers (clients) over a network. Servers are the backbone of modern computing infrastructure.
Types of Servers
- Web Servers: Serve web pages to browsers (Apache, Nginx)
- Database Servers: Store and manage data (MySQL, PostgreSQL)
- Application Servers: Run business logic and applications
- File Servers: Store and manage files
- Mail Servers: Handle email delivery
Key Characteristics
- Reliability: Designed for continuous operation
- Scalability: Can handle increasing loads
- Security: Protect data and resources
- Performance: Optimized for specific workloads