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The system administrator is one of the users of a system, and something more. The administrator wears many hats, as knowledgeable user of UNIX commands, as an operator of system hardware, and as a problem solver. The administrator is also called upon to be an arbitrator in human affairs. A multiuser computer is like a vast imaginary space where many people work and utilize the resources found there. The administrator must be the village elder in this space and settle the disputes that may arise
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