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Question: Describe about MULTICS?
Answer: MULTICS is described as having a series of concentric rings, with the inner ones being more privileged than the outer ones. When a procedure in an outer ring wanted to call a procedure in an inner ring, it had to make the equivalent of a system call which is a TRAP instruction. MULTICS hardware made it possible to designate individual process as protected against reading, writing, or executing.
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Operating Systems Interview Questions & Answers -
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Question:
Describe about MULTICS?
Answer:
MULTICS is described as having a series of concentric rings, with the inner ones being more privileged than the outer ones. When a procedure in an outer ring wanted to call a procedure in an inner ring, it had to make the equivalent of a system call which is a TRAP instruction. MULTICS hardware made it possible to designate individual process as protected against reading, writing, or executing. Source: CoolInterview.com
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