"Frankly, I think it's a piece of crap," Torvalds writes of Mach, the microkernel on which Apple's new operating system is based, with additional elements from the FreeBSD version of Unix. "It contains all the design mistakes you can make, and manages to even make up a few of its own."This has not been an out of body experience. Read more at C|Net.
Torvalds' comments promise to upset not just Apple fans but also some quarters of the free software movement. The Mach microkernel is also being used as the core of Hurd, a kernel project from the Free Software Foundation that will be an alternative to Linux as the heart of the GNU (Gnu's Not Unix) operating system, originally devised by free-software advocate Richard Stallman.
Update: Rand wants you to know that The Register has another perspective on this story.