Multiuser Systems

  • Multiuser System: Computer able to concurrently and independently execute several apps belong to two or more users.
  • Executing multiple programs at the same time will mean that the amount of processing power allocated to each program will be cut
    • In addition there are delays in switching between processing between applications
  • Important Features
    • Authentication
    • Protection against buggy programs causing other ones to crash
    • Protection against malicious apps trying to access memory
    • Limit resources assigned to each user

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