Question: 1) From the security standpoint, explain the consequences of creating a file with permissions (a) 000, (b) 777. 2) What do you do to ensure

1) From the security standpoint, explain the consequences of creating a file with permissions (a) 000, (b) 777.

2) What do you do to ensure that no one is able to see the names of the files you have?

3) if ls -li shows two filenames with the same inode number, what does that indicate?

4) Explain how ls obtains the (a) filename, (b) name of owner, and (c) name of group owner when displaying the listing.

5) How can you find out whether a program has been executed today?

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