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System Commands · End Term · 31 Aug 2025 · May 2025 term · Set QDD3

Question 5: A file numbers.txt contains several lines of numeric stri…

Question 5

+5 marksOne correct option

A file numbers.txt contains several lines of numeric strings. You want to find lines where any digit is repeated exactly twice consecutively (like "1123", "4456"). Which command works correctly?

  1. A
  2. B
  3. C
  4. D
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Correct answer

  • A
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Question 5 of 20 in the IIT Madras BS System Commands (System Commands) End Term paper sat on 31 Aug 2025, in the May 2025 term (IIT M DIPLOMA AN EXAM QDD3 31 Aug 2025). It carries 5 marks.

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