Hello World

Results of executing a Hello World program in a console on a Linux or Unix system.

A Hello World program, as first introduced in the book The C Programming Language, is a very short program that typically just prints a word or two of output to a console. Such a program is often one of the first programs that a programmer writes when learning a programming language, as it provide's a cursory introduction to the language's syntax and output.

Example in C

#include <stdio.h>

int main()
{
    printf("This is my first C program!\n");
    return 0;
}

See also

99 Bottles of Beer

External links

The Hello World Collection in more than 300 programming languages