Linux Kernel GPL-2.0 License: Official Documentation
GPL-2.0 governs the Linux kernel. Find the authoritative license text in COPYING and LICENSES/preferred/GPL-2.0, plus what compliance actually requires.
Category: Kernel Licensing
Where Linux Kernel GPLv2 Licensing Is Defined
The kernel’s COPYING file states GPL-2.0-only with the syscall note. Use official tree paths to verify files, headers, and modules for legal research.