2. In Linux file permissions are expressed as follows: (25 marks) read -> r: user's capability to read the contents of t

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2 In Linux File Permissions Are Expressed As Follows 25 Marks Read R User S Capability To Read The Contents Of T 1 (203.88 KiB) Viewed 90 times

2. In Linux file permissions are expressed as follows: (25 marks) read -> r: user's capability to read the contents of the file. write -> W: user's capability to write or modify a file or directory. execute ->x: user's capability to execute a file or view the contents of a directory These permissions are specified for three types of users: owner, group, all users. For that reason, permissions look like this: r W xrwxr W X X Owner Group All users a. Dealing with permissions in Linux involves a three-digit numerical value (one per type user). What are the allowed values for those digits and why? (9 marks) b. What is the explanation for the permissions value: 640. (9 marks) C. If the two first types of users have all the permissions enabled and the last type none. What is the corresponding value to describe the permissions for that file? (7 marks)