pvm: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.0.0, not stripped
Ubuntu: Linux LRB 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Mac: Darwin Someone-MacBook-Pro.local 14.0.0 Darwin Kernel Version 14.0.0: Sat Sep 27 03:58:47 PDT 2014; root:xnu-2782.1.97~11/RELEASE_X86_64 x86_64 i386 MacBookPro10,1 Darwin