In this chapter, and the next, we attempt to answer the questions:
What is an operating system?
What does it do?
Why do we need one?
KeywordsVirtual Machine Physical Machine Real Machine Command Language Impatient Customer
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© A. M. Lister and R. D. Eager 1993