/usr/ is in libtexttools3-dev 2.1.0-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libtexttools3-dev/README.Debian
/usr/share/ada/
/usr/share/ada/adainclude/
/usr/share/ada/adainclude/texttools/
/usr/share/
/usr/share/doc/
/usr/share/doc/libtexttools3-dev/
/usr/share/doc/libtexttools3-dev/copyright
/usr/share/ada/adainclude/texttools/os.adb
/usr/share/ada/adainclude/texttools/system.c
/usr/share/ada/adainclude/texttools/controls.ads
/usr/share/ada/adainclude/texttools/windows.ads
/usr/share/ada/adainclude/texttools/equal_case_insensitive.ads
/usr/share/ada/adainclude/texttools/equal_case_insensitive.adb
/usr/share/ada/adainclude/texttools/hash_case_insensitive.adb
/usr/share/ada/adainclude/texttools/hash_case_insensitive.ads
/usr/share/ada/adainclude/texttools/userio.adb
/usr/share/ada/adainclude/texttools/os.ads
/usr/share/ada/adainclude/texttools/strings.adb
/usr/share/ada/adainclude/texttools/strings.ads
/usr/share/ada/adainclude/texttools/windows.adb
/usr/share/ada/adainclude/texttools/english.ads
/usr/share/ada/adainclude/texttools/controls.adb
/usr/share/ada/adainclude/texttools/userio.ads
/usr/share/ada/adainclude/texttools/common.adb
/usr/share/ada/adainclude/texttools/common.ads
/usr/share/ada/adainclude/texttools/curses.c
/usr/share/ada/adainclude/texttools.gpr
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libtexttools.a
/usr/lib/x86_64-linux-gnu/ada/
/usr/lib/x86_64-linux-gnu/ada/adalib/
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/common.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/os.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/english.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/strings.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/hash_case_insensitive.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/windows.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/equal_case_insensitive.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/controls.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/texttools/userio.ali
/usr/share/doc/libtexttools3-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libtexttools.so