Compare and contrast sequential and direct file access. 14. File access is independent of any… 1 answer below »

Compare and contrast sequential and direct file access. 14. File access is independent of any physical medium. a. How could you implement sequential access on a disk? b. How could you implement direct access on a magnetic tape? 15. What is a file protection mechanism? 16. How does Unix implement file protection? 17. Given the following file permission, answer these questions.

 
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