The command to count the number of files in the current directory by using pipes, is_______________?
Correct answer: C. ls | wc -w
- A. ls | wc
- B. ls -l | wc -l
- C. ls | wc -w
- D. ls | ws -c
Explanation
`ls` sends the directory entries to `wc`, and `wc -w` counts them as words. This is the conventional answer, although it may also count directories and can be affected by filenames containing spaces.
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