Indicate the right option to search for BOB, Bob, BOb or BoB?
A. grep –i Bob files
B. grep 'B[oO][bB]' files
C. grep '[BOB]' files
D. grep -v 'Bob' files
Answer: Option B
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A. countw
B. wcount
C. wc
D. count p
E. None of the above
What command is used with vi editor to delete a single character?
A. x
B. y
C. a
D. z
E. None of the above
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