XCopy parameters
Syntax XCOPY source [destination] [options] Key source : Pathname for the file(s) to be copied (accepts wildcards). destination : Pathname for the new file(s). [options] can be any combination of the following: Source Options /A Copy files with the archive attribute set (default=Y) /M Copy files with the archive attribute set and turn off the archive attribute, use this option when making regular Backups (default=Y) /H Copy hidden and system files and folders (default=N) /D:mm-dd-yyyy Copy files changed on or after the specified date. If no date is given, copy only files whose source date/time is newer than the destination time. /U Copy only files that already exist in destination. /S Copy folders and subfolders /E Copy folders and subfolders, including Empty folders. can be used to modify /T. /EX