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Computer Science Fundamentals Operating Systems Objective

Mar 11, 2013

If one doesn't want anyone else to read or write to a file named datfile, except through a program in a file filex , then he may use

Choose the correct answer:

A) chmod u+s filex ; chmod go_rw datfile

B) chmod 4711 filex ; chmod go_rw datfile

C) chmod 4711 datfile ; chmod go_rw filex

D) a & b both

Detailed Explanation

Option d is right answer.

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