I am using Ubuntu13.0. just tried to install Ruby2.0 using the Link. After the installation when I did ruby -v,found:
kirti@kirti-Aspire-5733Z:~$ ruby -v
ruby 1.8.7 (2012-02-08 patchlevel 358) [i686-linux]
I just removed 1.8.7 using How can I uninstall Ruby on ubuntu?
please help me to re-install Ruby2.0.