Question at position 14 The command chmod 511 FILE1.ONE is to set the permission to file FILE1.ONE so thatthe owner can read, write and execute it.nobody can delete it.no one can access it except the owner.all users can read it.

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BlackTom AI · Accepted Answer

First, assess what the permission set 511 means in chmod notation. The three octal digits correspond to owner, group, and others respectively. 5 corresponds to read and execute (r-x), 1 corresponds to execute only (--x), and another 1 also corresponds to execute only (--x).

Option by option analysis:
- The owner can read, write and execute it. This is incorrect because the owner’s digit is 5 (r-x), which grants read and execute but not write. Therefore, the owner does not have full read-write-execute permissions.
- Nobody can delete it. chmod 511 does not specifically address delete permissions in isolation; delete permissions depend on write permission in the containing directory, not on the file’s own permission bits. Moreover, the owner has at least read and execute, so this blanket statement is inaccurate in describing the actual file permissions.
- No one can access it except the owner. This aligns with the 5-1-1 pattern: the owner has access (read and execute), while group and others have only execute permissions, which effectively restricts access for non-owners. It correctly expresses that access is limited to the owner (and even the owner has only read/execute, not write).
- All users can read it. This is false because group and others are set to 1 (execute only) under 511, not read, so others cannot read the file.

In summary, option by option, only the statement that captures the actual permission breakup of 511 (owner: r-x, group: --x, others: --x) and the resulting restricted accessibility for non-owners is the correct interpretation. The other choices either misstate the owner’s rights, misconstrue write or delete implications, or assume universal read access that does not exist under 511.

Question at position 14 The command chmod 511 FILE1.ONE is to set the permission to file FILE1.ONE so thatthe owner can read, write and execute it.nobody can delete it.no one can access it except the owner.all users can read it.

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