Why Hello World is used as first output msg in any programming language?

Q :     Why Hello World is used as first output msg in any programming language?

Ans:   Hello World, is just a word we use for greeting, it's just similar to hello john, hello Julie etc.                 When we meet with someone then to start our conversation we say hello and then use the name like John, Julie etc. Similarly like this when we program in any language either that is HTML, JavaScript, Python, PHP, Java, C, C++, C# etc we display/output a simple msg and that time we use "Hello World" word.

Q:        Can i use other msg other than "Hello world" for output in any language?

Ans:     Yes, of Course! You are completely free to use any msg you like. It's just a msg nothing else.               It's you who choose what to output the msg. You can choose to display your name or hello world or any word you want.

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