/usr/include/linbox/vector/ is in liblinbox-dev 1.4.2-5build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/linbox/vector/bit-vector.h
/usr/include/linbox/vector/bit-vector.inl
/usr/include/linbox/vector/blas-vector.h
/usr/include/linbox/vector/blas-vector.inl
/usr/include/linbox/vector/light_container.h
/usr/include/linbox/vector/pair.h
/usr/include/linbox/vector/random.h
/usr/include/linbox/vector/reverse.h
/usr/include/linbox/vector/sparse.h
/usr/include/linbox/vector/stream-gf2.h
/usr/include/linbox/vector/stream.h
/usr/include/linbox/vector/subiterator.h
/usr/include/linbox/vector/subvector.h
/usr/include/linbox/vector/vector-domain-gf2.h
/usr/include/linbox/vector/vector-domain-gf2.inl
/usr/include/linbox/vector/vector-domain.h
/usr/include/linbox/vector/vector-domain.inl
/usr/include/linbox/vector/vector-traits.h
/usr/include/linbox/vector/vector.h