+ remove_tree
+ remove_trees_by_patterns
+ remove_files_by_patterns
+ make_symbolic_link
+ make_directory
+ push_directory
+
+ touch_file
+ remove_tree
+ remove_trees_by_patterns
+ remove_files_by_patterns
+ make_symbolic_link
+ make_directory
+ push_directory
+ access_directory
+ touch_file
@ project_manager