/usr/ is in libtrilinos-isorropia-dev 12.10.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/trilinos/
/usr/include/trilinos/Isorropia_Colorer.hpp
/usr/include/trilinos/Isorropia_ConfigDefs.hpp
/usr/include/trilinos/Isorropia_CostDescriber.hpp
/usr/include/trilinos/Isorropia_Epetra.hpp
/usr/include/trilinos/Isorropia_EpetraColorer.hpp
/usr/include/trilinos/Isorropia_EpetraCostDescriber.hpp
/usr/include/trilinos/Isorropia_EpetraLevelScheduler.hpp
/usr/include/trilinos/Isorropia_EpetraLibrary.hpp
/usr/include/trilinos/Isorropia_EpetraMatcher.hpp
/usr/include/trilinos/Isorropia_EpetraOperator.hpp
/usr/include/trilinos/Isorropia_EpetraOrderer.hpp
/usr/include/trilinos/Isorropia_EpetraPartitioner.hpp
/usr/include/trilinos/Isorropia_EpetraProber.hpp
/usr/include/trilinos/Isorropia_EpetraRedistributor.hpp
/usr/include/trilinos/Isorropia_EpetraZoltanLib.hpp
/usr/include/trilinos/Isorropia_Exception.hpp
/usr/share/doc/
/usr/include/trilinos/Isorropia_LevelScheduler.hpp
/usr/include/trilinos/Isorropia_Operator.hpp
/usr/include/trilinos/Isorropia_Orderer.hpp
/usr/include/trilinos/Isorropia_Partitioner.hpp
/usr/include/trilinos/Isorropia_Redistributor.hpp
/usr/include/trilinos/Isorropia_Utils.hpp
/usr/include/trilinos/Isorropia_Version.hpp
/usr/include/trilinos/Isorropia_config.h
/usr/include/trilinos/Makefile.export.Isorropia
/usr/include/trilinos/QueryObject.hpp
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/Isorropia/
/usr/lib/x86_64-linux-gnu/cmake/Isorropia/IsorropiaConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Isorropia/IsorropiaTargets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/Isorropia/IsorropiaTargets.cmake
/usr/share/
/usr/share/doc/libtrilinos-isorropia-dev/
/usr/share/doc/libtrilinos-isorropia-dev/changelog.Debian.gz
/usr/share/doc/libtrilinos-isorropia-dev/copyright
/usr/lib/x86_64-linux-gnu/libtrilinos_isorropia.so