040000 tree 2008c3f59f41c6c6092771dc4cfc9a74154f303d	core_os
040000 tree 421cc9b55c6166146de9cf89fdb190eb8993be88	modules
100644 blob f707e6bdfb08608f2113df6c9330aa8389d0dcd7	os_user_guide.rst.txt
040000 tree 624709bfe31817a0094ef16244c2370a36fe60dc	tutorials