Multiple choice technology

How to view last 5 records from a dataset having total 20 records in unix?

  1. m_dump xyz.dml xyz.dat -start 1 -end 20

  2. m_dump xyz.dml xyz.dat -start 15

  3. m_dump xyz.dml xyz.dat

  4. m_dump xyz.dat -end 20
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To view last 5 records of 20, start from record 16 (20-5+1=16). m_dump with -start 16 displays from record 16 to end (records 16-20). Option A shows all 20, C shows all, D has wrong syntax.

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