It's a very basic concept: When you save a project file, you're ensuring that it'll be there when you need to open and work on it again. In a nutshell , managing project files involves saving, finding, and opening your project files. The majority of the time, that's all there is to it. But you can't open a file if you can't find it. You want to be sure you know where you put your files; if you're at a loss, you need to know the best techniques for searching for and finding them quickly.
You also want to guard against data loss in the event of a system crash by saving your file often enough and having a recent backup file handy. Another safeguard is password protection. These are all aspects of sound file management, which are covered in this chapter.