MCQ Practiceecho command is used for . . . . . . . .Subject: Computer Science EngineeringTopic: UnixAdisplaying errorsBdisplaying operating system detailsCdisplaying diagnostic messagesDdisplaying date and timeCorrect 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