MCQ PracticeWhich one of the following command will display the name of the shell we are working on?Subject: Computer Science EngineeringTopic: UnixAecho shellBecho $Cecho $SHELLDechoCorrect 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