Linux Kernel

The foundation of modern computing infrastructure

88
Project is healthy
Funding
Stable
Maintenance
Active
Contributors
Healthy
Bus Factor
Low risk
Metrics last updated: 6 days ago (2026-02-07)

🛡️ Potential Successors

If Linus Torvalds steps down:

Greg Kroah-Hartman Thomas Gleixner Andrew Morton Theodore Ts'o
Vote on GitHub Discussions

Overview

The Linux kernel is a free and open-source, monolithic, modular, multitasking, Unix-like operating system kernel. It is the foundation of the Linux family of operating systems (commonly called Linux distributions or distros).

Importance

  • Powers 96.3% of the world’s top one million servers
  • Runs on all of the world’s top 500 supercomputers
  • Android is based on the Linux kernel (3.9 billion active devices)
  • Foundation of cloud infrastructure (AWS, Google Cloud, Azure)

Key Features

  • Process and memory management
  • Device drivers and hardware abstraction
  • Network stack and protocols
  • Security modules (SELinux, AppArmor)
  • Container support (cgroups, namespaces)

Governance

Linus Torvalds remains the ultimate authority for kernel releases, but the project has a well-established lieutenant system that distributes knowledge across multiple subsystem maintainers.