If you omit the target parameters, xcopy assumes you want to copy the files to the default directory. Copies source files that have their archive bit set. Does not modify the archive bit of the source file. Notice that the date format may vary depending on the form you are using. Copies any subdirectories, even if they are empty.
Copies directories and lower level subdirectories, unless they are empty.
If you omit this switch, xcopy works within a single directory. Causes xcopy to wait before it starts copying files. The defrag program is used when the Upper Memory Block has become fragmented. The listing shows how many directories, files, blocks, and bytes that you have used. The list command is used to display a file on the screen.