Which of the following commands will reduce all consecutive spaces down to a single space?

exams 101-500 V2 101-500 exam 0 Comments

Which of the following commands will reduce all consecutive spaces down to a single space?
A . tr ‘s’ ‘ ‘ < a.txt > b.txt
B. tr -c ‘ ‘ < a.txt > b.txt
C. tr -d ‘ ‘ < a.txt > b.txt
D. tr -r ‘ ‘ ‘
‘ < a.txt > b.txt
E. tr -s ‘ ‘< a.txt > b.txt

Answer: E