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What is an environment variable? What does the PATH environment variable contain? What is PATH used for? What are the 4 major jobs of a
What is an environment variable? What does the PATH environment variable contain? What is PATH used for? What are the 4 major jobs of a modern operating system?
In memory management, what is the role of a 'dirty bit', and why do we keep track of it?
What is meant by the term 'user mode', and what is meant by the term 'kernel mode'?
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