Apple’s Darwin OS and XNU kernel deep dive
Apple’s Darwin operating system is the Unix-like core underpinning macOS, iOS, and all of Apple’s modern OS platforms. At its heart lies the XNU kernel – an acronym humorously standing for “X is Not Unix.” XNU is a unique hybrid kernel that combines a Mach microkernel core with components of BSD Unix. This design inherits the rich legacy of Mach (originating from 1980s microkernel research) and the robust stability and POSIX compliance of BSD. The … ⌘ Read more