Which of the following commands is used to obtain a list of all files by modification time ?
Correct answer: B. ls -t
- A. ls -1
- B. ls -t
- C. ls -i
- D. ls -R
Explanation
The `-t` option sorts directory entries by modification time, showing the most recently modified files first. `-1` controls one-entry-per-line output, while `-i` shows inode numbers and `-R` lists recursively.
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