http://www.google.com 's first answer: 
http://erikveenstra.nl/rubyscript2exe/
-----

Gareth Howells, DipHE (Dunelm), BCS
CEO, GForce Industries

garethATgforce-industriesDOTcoDOTuk
07862725134

GForce Industries
86, Warwick Avenue,
Quorn,
Loughborough,
LEICS.
LE12 8HE
----- Original Message ----- 
From: "HadsS" <a.hadss / gmail.com>
Newsgroups: comp.lang.ruby
To: "ruby-talk ML" <ruby-talk / ruby-lang.org>
Sent: Friday, March 21, 2008 1:44 PM
Subject: making an exe


> heya.. im new to this ruby language and wanted to know how can i make
> my program and exe file... please guide me if it is possible..!!!
>