MCQ PracticeWhat does the following command do? $ echo *Subject: Computer Science EngineeringTopic: UnixAerrorBundefined behaviorCdisplays "*"Dlists all filenames in the current directoryCorrect Answer: DPractice 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