Computer Science Ques 552

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

Options:

A) cat

B) echo

C) Display

D) char

E) None of these

Show Answer

Answer:

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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