Hello, world

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Hello World is the canonical 'shortest example program' in any given programming language; a program which simply prints 'hello, world', and then terminates.

The first version appeared in "A Tutorial Introduction to the Programming Langauge B":

main( ) {
 extrn a, b, c;
 putchar(a); putchar(b); putchar(c); putchar('!*n');

a 'hell';
b 'o, w';
c 'orld';

It was popularized with one in the 'C Tutorial' in UNIX V6:

main() {
	printf("hello, world");

External links