A “Hello, World!” program generally is a computer program that outputs or displays the message “Hello, World!”. Such a program is very simple in most .A Hello world program is usually a program made by computer programmers that are new to a programming languages, or to test if the compiler for this .”To run:” recipes unneccessary. Should all this “to run:” crap really be in the ‘Hello world program ‘ article? We don ‘t seriously expect everybody to have a .