Question: Question 4 (10 Marks In the Unix system, directory listing is shown as below: -rw-r--r-- 1 pbg staff 9423 Apr 19 2018 program drwx 3

Question 4 (10 Marks In the Unix system, directory listing is

Question 4 (10 Marks In the Unix system, directory listing is shown as below: -rw-r--r-- 1 pbg staff 9423 Apr 19 2018 program drwx 3 pbg staff 1024 Aug 19 10:31 mail/ a) Name and define the directory protection. [3m] b) Name and define the file protection. [3m] c) How to set all the file protection using chmod? [4m]

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