Question: Write a shell script called hello that takes one argument at the command line: hello < the persons name > Within the script, count backward

Write a shell script called hello that takes one argument at the command line: hello < the persons name > Within the script, count backward from 10, displaying each number; and then end with "Hello, < the persons name >, I am a HAL 9000". Your application should be able to handle up to three values, e.g, Donald, Donald Trump, or Mr. Donald Trump can all be valid input. Next, populate an array called presidents and fill it with the following values: Lyndon B. Johnson Richard Nixon Gerald Ford Jimmy Carter Ronald Reagan George H.W. Bush Bill Clinton George W. Bush Barack Obama Donald J. Trump Then traverse the array, printing out each value thusly: Lyndon B. Johnson 36th president Richard Nixon 37th president Gerald Ford 38th president and so on.

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