MCQ PracticeWhich of the following command is incorrect?Subject: Computer Science EngineeringTopic: UnixApr dept.lstBhead -n 5 emp.lstCtail -o +5 emp.lstDtail -3 emp.lstCorrect Answer: CPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the