>B file - Print binary file
>C file1 file2 - Copy file1 to file2
>D file - Delete file
>E file - Edit file and save under the same name
>G file - Print graphic file
>H rnum - Print record rnum
>K - Detailed file system listing
>L - File system listing
>N file1 file2 - Name file1 as file2
>P file - Print textual file
>Q - Quit Cybernet DOS
>R file - Receive file via RS232
>S file - Send file via RS232