/usr/ is in octave-msh 1.0.10-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/octave-msh/
/usr/share/doc/octave-msh/NEWS.gz
/usr/share/doc/octave-msh/copyright
/usr/share/doc/octave-msh/changelog.Debian.gz
/usr/share/octave/
/usr/share/octave/packages/
/usr/share/octave/packages/msh-1.0.10/
/usr/share/octave/packages/msh-1.0.10/msh2m_topological_properties.m
/usr/share/octave/packages/msh-1.0.10/msh3m_submesh.m
/usr/share/octave/packages/msh-1.0.10/msh2m_gmsh_write.m
/usr/share/octave/packages/msh-1.0.10/msh3m_geometrical_properties.m
/usr/share/octave/packages/msh-1.0.10/msh2m_jiggle_mesh.m
/usr/share/octave/packages/msh-1.0.10/msh2m_mesh_along_spline.m
/usr/share/octave/packages/msh-1.0.10/msh3m_gmsh_write.m
/usr/share/octave/packages/msh-1.0.10/msh2m_structured_mesh.m
/usr/share/octave/packages/msh-1.0.10/doc-cache
/usr/share/octave/packages/msh-1.0.10/msh3m_gmsh.m
/usr/share/octave/packages/msh-1.0.10/msh3e_surface_mesh.m
/usr/share/octave/packages/msh-1.0.10/msh3m_nodes_on_faces.m
/usr/share/octave/packages/msh-1.0.10/msh2m_submesh.m
/usr/share/octave/packages/msh-1.0.10/msh2m_nodes_on_sides.m
/usr/share/octave/packages/msh-1.0.10/msh2m_equalize_mesh.m
/usr/share/octave/packages/msh-1.0.10/msh2m_displacement_smoothing.m
/usr/share/octave/packages/msh-1.0.10/packinfo/
/usr/share/octave/packages/msh-1.0.10/packinfo/INDEX
/usr/share/octave/packages/msh-1.0.10/packinfo/NEWS
/usr/share/octave/packages/msh-1.0.10/packinfo/.autoload
/usr/share/octave/packages/msh-1.0.10/packinfo/DESCRIPTION
/usr/share/octave/packages/msh-1.0.10/msh3m_join_structured_mesh.m
/usr/share/octave/packages/msh-1.0.10/msh3m_structured_mesh.m
/usr/share/octave/packages/msh-1.0.10/msh2m_geometrical_properties.m
/usr/share/octave/packages/msh-1.0.10/msh2m_join_structured_mesh.m
/usr/share/octave/packages/msh-1.0.10/msh2m_gmsh.m
/usr/share/octave/packages/msh-1.0.10/msh2p_mesh.m
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/octave/
/usr/lib/x86_64-linux-gnu/octave/packages/
/usr/lib/x86_64-linux-gnu/octave/packages/msh-1.0.10/
/usr/lib/x86_64-linux-gnu/octave/packages/msh-1.0.10/x86_64-pc-linux-gnu-api-v49+/
/usr/lib/x86_64-linux-gnu/octave/packages/msh-1.0.10/x86_64-pc-linux-gnu-api-v49+/mshm_dolfin_read.oct
/usr/lib/x86_64-linux-gnu/octave/packages/msh-1.0.10/x86_64-pc-linux-gnu-api-v49+/mshm_dolfin_write.oct
/usr/lib/x86_64-linux-gnu/octave/packages/msh-1.0.10/x86_64-pc-linux-gnu-api-v49+/mshm_refine.oct