Hello world in a lot of languages

List of the languages I used and it file extensions:

Language	Extension
C	.c
C++	.cpp
C#	.cs
Objective-C	.m
Java	.java
JavaScript	.js
PHP	.php
Python	.py
Ruby	.rb
Perl	.pl
Bash	.sh
Lua	.lua
Emacs Lisp	.el
Tcl	.tcl
Perl 6	.p6
Racket	.rkt
Common Lisp	.lisp
Prolog	.plg
Scheme	.scm
Haskell	.hs
Erlang	.erl
OCaml	.ml
Visual Basic	.vb
Fortran	.f
Ada	.adb
Pike	.pike
Awk	.awk
Smalltalk	.st