What are multiuser systems? Why are they successful?
What is the Free Software Foundation/GNU? BSD? Mach? Which parts of the Mac OS X operating system did each provide?
What is a shell? How does it work with the kernel? With the user?
How can you use utility programs and a shell to create your own applications?
Why is the Mac OS X filesystem referred to as hierarchical?
What is the difference between a multiprocessor and a multiprocessing system?
Give an example of when you would want to use a multiprocessing system.
What is a utility program?
What are the key terms of the GNU General Public License?
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