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Banking Computers Science Sample Paper Computer - Sample Paper - 22

  • question_answer
    The UNIX. Which command is used to display the message or value of any variable on the screen?

    A) cat           

    B) echo

    C) Display                         

    D) char

    E) None of these

    Correct Answer: B

    Solution :

    In computing, echo is a command in DOS. OS/2. MS-windows. UNIX that places a string on the computer terminal. It is typically used in shell scriptes and batches files to output status text to the screen or a file.


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