- Year of Foundation: 1991
- Founder: Linus Torvalds
- Popularity: One of the most widely used operating systems, especially in servers, cloud computing, and embedded systems.
- Strengths: Highly customizable, secure, and stable. It has a large community and supports a wide range of hardware.
- Weaknesses: Can be challenging for beginners due to its complexity and lack of user-friendly interfaces in some distributions.
- Usage: Powers servers, supercomputers, Android devices, and IoT systems.