If user tries to remove (rm) a readonly file (444 permission), what will happen?

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Question:If user tries to remove (rm) a readonly file (444 permission), what will happen?

1.The file is removed successfully (and silently)

2.The rm command prompts for a confirmation, the command is successful upon confirmation

3.The rm command prompts for a confirmation, however the operation fails because of insufficient permissions

4.The rm command fails because of insufficient permissions

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  1. If user tries to remove (rm) a readonly file (444 permission), what will happen?
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