Mach is a so-called first generation [[microkernel]]. It is the microkernel currently used by the [[Hurd]]. * [[Documentation]] * [[Concepts]] * [[History]] ([Torvalds, Tanenbaum Debate](http://www.dina.dk/~abraham/Linus_vs_Tanenbaum.html)) # Implementations * [[GNUMach]] * [[Mach/OskitMach]] - A Once Successor of Mach based on OSKit * [Apple's Darwin](http://developer.apple.com/darwin/) ([API](http://developer.apple.com/documentation/Darwin/Conceptual/KernelProgramming/index.html)) (**non-free**) # Related * [[Mach_Interface_Generator|mig]]