➔ uname -a Darwin johns-MBP 14.0.0 Darwin Kernel Version 14.0.0: Fri Sep 19 00:26:44 PDT 2014; root:xnu-2782.1.97~2/RELEASE_X86_64 x86_64 ➔ rbenv version 2.1.5 (set by /Users/john/.rbenv/version) ➔...