ng to confirm you want to overwrite an existing destination file.The switch /Y may be preset in the COPYCMD environment variable.To append files, specify a single file for destination, but multiple filesfor source (using wildcards or file1+file2+file3 format). **************************************************************** CTTY COMMAND ONLINE DOCUMENTATION **************************************************************** Changes the terminal device used to control your system.CTTY device device The terminal device you want to use, such as COM1. **************************************************************** DATE COMMAND ONLINE DOCUMENTATION **************************************************************** Displays or sets the date.DATE [mm-dd-yy] mm-dd-yy Sets the date you specify.Type DATE without parameters to display the current date setting anda prompt for a new one. Press ENTER to keep the same date. **************************************************************** DEBUG COMMAND ONLINE DOCUMENTATION **************************************************************** Runs Debug, a program testing and editing tool.DEBUG [[drive:][path]filename [testfile-parameters]] [drive:][path]filename Specifies the file you want to test. testfile-parameters Specifies command-line information required by the file you want to test.After Debug starts, type ? to display a list of debugging commands. **************************************************************** DEL COMMAND ONLINE DOCUMENTATION **************************************************************** Deletes one or more files.DEL [drive:][path]filename [/P]ERASE [drive:][path]filename [/P] [drive:][path]filename Specifies the file(s) to delete. Specify multiple files by using wildcards. /P Prompts for confirmation before deleting each file. ***********...