libpetsc3.4.2-dev 3.4.2.dfsg1-8.1+b1 / usr / lib / petscdir / 3.4.2 / linux-gnu-cxx-opt

/usr/lib/petscdir/3.4.2/linux-gnu-cxx-opt is in libpetsc3.4.2-dev 3.4.2.dfsg1-8.1+b1.

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

It is a symlink to /usr/lib/petscdir/3.4.2/linux-gnu-c-opt