g++ 4:4.8.2-1ubuntu6 / usr / bin / x86_64-linux-gnu-g++

/usr/bin/x86_64-linux-gnu-g++ is in g++ 4:4.8.2-1ubuntu6.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/bin/g++-4.8