numbers for differences. /N=number Compares only the first specified number of lines in each file. /C Disregards case of ASCII letters when comparing files.To compare sets of files, use wildcards in data1 and data2 parameters. **************************************************************** COPY COMMAND ONLINE DOCUMENTATION **************************************************************** Copies one or more files to another location.COPY [/A | /B] source [/A | /B] [+ source [/A | /B] [+ ...]] [destination [/A | /B]] [/V] [/Y | /-Y] source Specifies the file or files to be copied. /A Indicates an ASCII text file. /B Indicates a binary file. destination Specifies the directory and/or filename for the new file(s). /V Verifies that new files are written correctly. /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.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. ***********************************...