Unix command to change the case of first three lines of file “shortlist” from lower to upper(A) $ tr ‘[a – z]’ ‘[A – Z]’ shortlist ¦ head-3(B) $ head-3 shortlist ¦ tr ‘[a – z]’ ‘[A – Z]’(C) $ tr head -3 shortlist ‘[A – Z]’ ‘[a – z]’(D) $ tr shortlist head -3 ‘[a – z]’ ‘[A – Z]’

Unix command to change the case of first three lines of file “shortl

1.	Unix command to change the case of first three lines of file “shortlist” from lower to upper(A) $ tr ‘[a – z]’ ‘[A – Z]’ shortlist ¦ head-3(B) $ head-3 shortlist ¦ tr ‘[a – z]’ ‘[A – Z]’(C) $ tr head -3 shortlist ‘[A – Z]’ ‘[a – z]’(D) $ tr shortlist head -3 ‘[a – z]’ ‘[A – Z]’
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