/usr/bin/arm-none-eabi-gcc-4.8.2 is in gcc-arm-none-eabi 4.8.2-14ubuntu1+6.
This file is owned by root:root, with mode 0o755.
It is a symlink to /usr/bin/./usr/bin/arm-none-eabi-gcc
/usr/bin/./usr/bin/arm-none-eabi-gcc