> Kind of. Mach is still running underneath (and a lot of the app APIs > use it directly) but there is a BSD 'personality' above it which > (AIUI) is big parts of FreeBSD ported to run on Mach. Right. Also, to be clear, OS X is not a true microkernel architecture. They took the "division of responsibilities" from the Mach microkernel design, but Mach is compiled into the kernel and is not a separate process from the kernel. -- Scott Ribe scott_ribe@xxxxxxxxxxxxxxx http://www.killerbytes.com/ (303) 722-0567 voice ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend