CMD.EXE has been update to support overwrite warming control in the subject commands.

                              NOTE: If the COPYCMD environment variable is set to /Y,                                    prompting is suppressed unless overriden by /-Y.                                                             NOTE: The default is to prompt when replacing,                                    unless the copy command is being executed from within a batch script.                              MOVE \[/Y | /-Y\] \[drive:\]\[path\]filename1\[,...\] destination                                /Y                      Suppresses prompting to confirm you want to                                                        overwrite an existing destination file.                                /-Y                     Causes prompting to confirm you want to overwrite                                                        an existing destination file.                              XCOPY source \[destination\] \[/A | /M\] \[/D\[:date\]\] \[/P\] \[/S \[/E\]\] \[/V\] \[/W\]                                                         \[/C\] \[/I\] \[/Q\] \[/F\] \[/L\] \[/H\] \[/R\] \[/T\] \[/U\]                                                         \[/K\] \[/N\] \[/O\] \[/X\] \[/Y\] \[/-Y\] \[/Z\]                                                         \[/EXCLUDE:file1\[+file2\]\[+file3\]...\]                                /Y           Suppresses prompting to confirm you want to overwrite an                                             existing destination file.                                /-Y          Causes prompting to confirm you want to overwrite an                                             existing destination file.                              COPY \[/V\] \[/N\] \[/Y | /-Y\] \[/Z\] \[/A | /B \] source \[/A | /B\]                                   \[+ source \[/A | /B\] \[+ ...\]\] \[destination \[/A | /B\]\]                                /Y           Suppresses prompting to confirm you want to overwrite an                                             existing destination file.                                /-Y          Causes prompting to confirm you want to overwrite an                                             existing destination file.