MCQ PracticeWhat is the output of this program? #!/bin/bash var1=10 $var1=20 echo $var1 exit 0Subject: Computer Science EngineeringTopic: LinuxAprogram will print 10Bprogram will generate a warning messageCprogram will print 20Dprogram will print 10 & 20Correct 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
