This MacWeek article on MacHack reports about Q&A's from Apple reps about Mac OS X:
Apple representatives at the MacHack 15 conference fielded questions and complaints from developers during a feedback session Thursday night. Among the revelations: Apple plans to add a Unix-style command line to Mac OS X, and it will offer tools to make it easier for developers to support Motorola's AltiVec extension in the PowerPC G4.