In article <B8F04307.F9C%david / myth.sdsu.edu>,
 David Salamon <david / myth.sdsu.edu> wrote:

> On 4/26/02 2:59 PM, "Lyle Johnson" <jlj / cfdrc.com> wrote:
> > Hope this helps,
> > Lyle
> 
> Yes! irb thankfully works on unix, and it's great. Interactivity is a must
> for learning the syntax, etc.

It's also nice for learning what doesn't have a return value in a 
language where almost everything does.