macOS Kernel
The macOS kernel is the core component of Apple's macOS operating system, based on the XNU (X is Not Unix) hybrid kernel that combines elements from Mach and BSD. It manages system resources such as memory, processes, and hardware interactions, providing a stable foundation for applications and services. The kernel is integral to macOS's security, performance, and compatibility with Apple hardware and software ecosystems.
Developers should learn about the macOS kernel when working on system-level programming, driver development, security research, or performance optimization for macOS applications. It is essential for understanding low-level OS behavior, debugging kernel panics, or developing kernel extensions (kexts) for hardware support. Knowledge is also valuable for cybersecurity professionals analyzing macOS vulnerabilities or for those contributing to open-source Darwin components.