operating systems

When a word processor saves the current text into a file, if we want to do this efficiently, correctly and without having to worry about corrupting the teat. it is best ta to avoid creating cither a process or a thread to write the text create a thread to write the text create a process to write the text to the file to create a process that creates an extra thread 1 point In order to search a file system for all files with file type "pdf", we could try the following approach with a thread pook: - add the root folder to the TODO queve - while the TODO queue is not empty: assign a thread to the first folder Fon the queue search F for pdf files What is the best thing to do with subfolders of F here