A computer file structure.
A filing cabinet.
They use a filing cabinet
If you have many workbooks, you can use folders to organize the files, making it easier to find them. This is the same reason why you use file folders in a filing cabinet.
Filing cabinets contain file folders, and file folders contain various types of papers. By placing papers in file folders and then placing the file folders in filing cabinets, it becomes much easier both to store the papers and to locate them when you need them (as long as your files are in order).
file cabinet
A file cabinet.
filing cabinet
FAT. File Allocation System. The way a computer allocates and stores files. This is done sequentially, each file giving a pointer to the next. Just like a filing cabinet I guess.
In a filing cabinet.
Lock them in a file cabinet and shred files instead of throwing them away.
Program Files Program Files (x86)
Files and folders are normally kept in filing cabinets. They are usually organized in some form of either alphabetical or numerical order depending upon what you have in the files. Some people put important files in the front and less important files in the back. It's up to you.