IntroToLinux

Linux in the Real World

Server Market Dominance

Linux dominates the server market, especially for:

• Web servers (Apache, Nginx)
• Database servers
• Cloud computing platforms
• Container orchestration (Docker, Kubernetes)

Linux in IT

StackOVerflow Developer Survey 2025 Professional use of OS: 27,7% Ubuntu vs 32,9% MacOS vs 49,5 Windows: https://survey.stackoverflow.co/2025/technology/

Supercomputing

Linux runs on over 95% of the world’s supercomputers, including:

• Scientific research systems
• Weather prediction systems
• Financial modeling systems

Notable Companies Using Linux:

• Google: Entire infrastructure runs on Linux
• Amazon: AWS services built on Linux
• Netflix: Streaming infrastructure on Linux
• SpaceX: Mission-critical systems

Navigation

Next: → Why Learn Linux
Previous: ← Linux Distributions
Lesson Home: ↑ Lesson 1: Introduction
Course Home: ⌂ Introduction to Linux