Which security function does the operating system provide to ensure only authorized users access the system?

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A Job Accounting.
B User Authentication (Passwords/Biometrics).
C Error-Detecting Aids.
D Memory Paging.

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Answer: B. User Authentication (Passwords/Biometrics).

Answer: B
Explanation: User authentication verifies identities, while access control protects files through permissions.

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Which security function does the operating system provide to ensure only authorized users access the system?

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