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UGC-NET | UGC NET CS 2015 Jun – II | Question 39
  • Last Updated : 11 May, 2018

What does the following command do?
grep -vn “abc” x

(A) It will print all of the lines in the file x that match the search string “abc”.
(B) It will print all of the lines in file x that do not match the search string “abc”.
(C) It will print the total number of lines in the file x that match the string “abc”.
(D) It will print the specific line numbers of the file x in which there is a match for string “abc”.


Answer: (B)

Explanation: In Unix grep -vn “abc” x will print all of the lines in file x that do not match the search string “abc”.
So, option (B) is correct.


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