"Pramod Anugu" <pramod.r.anugu at jsums.edu> writes: > Under the 2.5 Sub-architectures section it talks about X86_64 architecture > for Linux. > 1. tar -zxvf R-2.3.0.tar.gz It seems like you are following the right steps. I would try downloading a new tarball, you can get R-2.3.1 which will have bug fixes.