⟩ Write clear, echo, print and banner command?
• Clear: clears the terminal signal
• $ clear
• echo : Writes what follows to the screen.
• $ echo Lunch is at 12:00
• Lunch is at 12:00
• Banner : Writes character strings in large letters to the screen
• $ banner Hello
• $ print Lunch is at 12:00
• Lunch is at 12:00