/usr/share/vtk/Tutorial/ is in vtk-examples 5.8.0-14.1ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/vtk/Tutorial/README.txt
/usr/share/vtk/Tutorial/Step1/
/usr/share/vtk/Tutorial/Step1/Cxx/
/usr/share/vtk/Tutorial/Step1/Cxx/CMakeLists.txt
/usr/share/vtk/Tutorial/Step1/Cxx/Cone.cxx
/usr/share/vtk/Tutorial/Step1/Java/
/usr/share/vtk/Tutorial/Step1/Java/Cone.java
/usr/share/vtk/Tutorial/Step1/Python/
/usr/share/vtk/Tutorial/Step1/Python/Cone.py
/usr/share/vtk/Tutorial/Step1/Tcl/
/usr/share/vtk/Tutorial/Step1/Tcl/Cone.tcl
/usr/share/vtk/Tutorial/Step2/
/usr/share/vtk/Tutorial/Step2/Cxx/
/usr/share/vtk/Tutorial/Step2/Cxx/CMakeLists.txt
/usr/share/vtk/Tutorial/Step2/Cxx/Cone2.cxx
/usr/share/vtk/Tutorial/Step2/Java/
/usr/share/vtk/Tutorial/Step2/Java/Cone2.java
/usr/share/vtk/Tutorial/Step2/Python/
/usr/share/vtk/Tutorial/Step2/Python/Cone2.py
/usr/share/vtk/Tutorial/Step2/Tcl/
/usr/share/vtk/Tutorial/Step2/Tcl/Cone2.tcl
/usr/share/vtk/Tutorial/Step3/
/usr/share/vtk/Tutorial/Step3/Cxx/
/usr/share/vtk/Tutorial/Step3/Cxx/CMakeLists.txt
/usr/share/vtk/Tutorial/Step3/Cxx/Cone3.cxx
/usr/share/vtk/Tutorial/Step3/Java/
/usr/share/vtk/Tutorial/Step3/Java/Cone3.java
/usr/share/vtk/Tutorial/Step3/Python/
/usr/share/vtk/Tutorial/Step3/Python/Cone3.py
/usr/share/vtk/Tutorial/Step3/Tcl/
/usr/share/vtk/Tutorial/Step3/Tcl/Cone3.tcl
/usr/share/vtk/Tutorial/Step4/
/usr/share/vtk/Tutorial/Step4/Cxx/
/usr/share/vtk/Tutorial/Step4/Cxx/CMakeLists.txt
/usr/share/vtk/Tutorial/Step4/Cxx/Cone4.cxx
/usr/share/vtk/Tutorial/Step4/Java/
/usr/share/vtk/Tutorial/Step4/Java/Cone4.java
/usr/share/vtk/Tutorial/Step4/Python/
/usr/share/vtk/Tutorial/Step4/Python/Cone4.py
/usr/share/vtk/Tutorial/Step4/Tcl/
/usr/share/vtk/Tutorial/Step4/Tcl/Cone4.tcl
/usr/share/vtk/Tutorial/Step5/
/usr/share/vtk/Tutorial/Step5/Cxx/
/usr/share/vtk/Tutorial/Step5/Cxx/CMakeLists.txt
/usr/share/vtk/Tutorial/Step5/Cxx/Cone5.cxx
/usr/share/vtk/Tutorial/Step5/Java/
/usr/share/vtk/Tutorial/Step5/Java/Cone5.java
/usr/share/vtk/Tutorial/Step5/Python/
/usr/share/vtk/Tutorial/Step5/Python/Cone5.py
/usr/share/vtk/Tutorial/Step5/Tcl/
/usr/share/vtk/Tutorial/Step5/Tcl/Cone5.tcl
/usr/share/vtk/Tutorial/Step6/
/usr/share/vtk/Tutorial/Step6/Cxx/
/usr/share/vtk/Tutorial/Step6/Cxx/CMakeLists.txt
/usr/share/vtk/Tutorial/Step6/Cxx/Cone6.cxx
/usr/share/vtk/Tutorial/Step6/Python/
/usr/share/vtk/Tutorial/Step6/Python/Cone6.py
/usr/share/vtk/Tutorial/Step6/Tcl/
/usr/share/vtk/Tutorial/Step6/Tcl/Cone6.tcl