Kernel (disambiguation)

From Citizendium, the Citizens' Compendium

• An operating system kernel, the core services and functions of an operating system
• The Linux kernel, the kernel of the Linux operating system, written and maintained by Linus Torvalds

• Kernel of a function, an equivalence relation on the domain of a function
• Kernel of a homomorphism, the elements mapped to the identity element by a homomorphism
• A function determining an integral transform, such as a Green's function
• Kernel of a linear map on a linear space: the vectors mapped onto the zero vector (is a subspace).

A homonym is

• Colonel [r]: A fairly senior military rank, typically commanding the largest tactical unit such as a brigade or regiment, and ranking just below general officers [e]