Question

Which option displays only the filename containing the pattern?

(a) -i

(b) -n

(c) -e

(d) -l

I had been asked this question during an interview.

The query is from grep command in portion Filters using Regular Expressions of Unix

Answer 1

Correct choice is (d) -l

For explanation I would say: The -l (list) option displays only the names of files containing the pattern. For example, the following command will display the filenames having an extension .lst and containing the pattern ‘director’: