> Actually i have installed slackware 13 in 32 bit machine. What would be
> default ruby version in slackware 13 whether the ruby is for 32 bit
> machine or 64 bit machine?
>
> Ruby -v shows : ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux]

[i486-linux] indicates this is a 32-bit version.  A 64-bit version
would say something like [amd64-linux] I believe.

-Jonathan Nielsen