How do you remove duplicate lines from the file foo using uniq?
A. sort foo | uniq –u
B. sort -u foo | uniq -d
C. sort foo | uniq –c
D. sort foo | uniq –I
Answer: Option A
Related Questions on Linux
What command is used to count the total number of lines, words, and characters contained in a file?
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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