C:\WINDOWS>HELP COPY
Copies one or more files to another location.

COPY [/D] [/V] [/N] [/Y | /-Y] [/Z] [/A | /B ] source [/A | /B]
    [+ source [/A | /B] [+ ...]] [destination [/A | /B]]

 source       Specifies the file or files to be copied.
 /A           Indicates an ASCII text file.
 /B           Indicates a binary file.
 /D           Allow the destination file to be created decrypted
 destination  Specifies the directory and/or filename for the new file(s).
 /V           Verifies that new files are written correctly.
 /N           Uses short filename, if available, when copying a file with a
              non-8dot3 name.
 /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.
 /Z           Copies networked files in restartable mode.

The switch /Y may be preset in the COPYCMD environment variable.
This may be overridden with /-Y on the command line.  Default is
to prompt on overwrites unless COPY command is being executed from
within a batch script.

To append files, specify a single file for destination, but multiple files
for source (using wildcards or file1+file2+file3 format).

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EXAMPLE

ASCI - MODE
(txt1.txt + txt2.txt) = txt_1_and_2.txt


BINARI MODE
(bitmap1.jpg + bitmap2.jpg) = bitmap1_and_2.jpg


C:\WINDOWS>HELP DATE
Displays or sets the date.

DATE [/T | date]

Type DATE without parameters to display the current date setting and
a prompt for a new one.  Press ENTER to keep the same date.

If Command Extensions are enabled the DATE command supports
the /T switch which tells the command to just output the
current date, without prompting for a new date.



C:\WINDOWS>HELP DEL
Deletes one or more files.

DEL [/P] [/F] [/S] [/Q] [/A[[:]attributes]] names
ERASE [/P] [/F] [/S] [/Q] [/A[[:]attributes]] names

 names         Specifies a list of one or more files or directories.
               Wildcards may be used to delete multiple files. If a
               directory is specified, all files within the directory
               will be deleted.

 /P            Prompts for confirmation before deleting each file.
 /F            Force deleting of read-only files.
 /S            Delete specified files from all subdirectories.
 /Q            Quiet mode, do not ask if ok to delete on global wildcard
 /A            Selects files to delete based on attributes
 attributes    R  Read-only files            S  System files
               H  Hidden files               A  Files ready for archiving
               -  Prefix meaning not

If Command Extensions are enabled DEL and ERASE change as follows:

The display semantics of the /S switch are reversed in that it shows
you only the files that are deleted, not the ones it could not find.