Copy
From HowToGeek
The copy command can be used from the Command Prompt to copy one or more files from one directory to another.
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Usage
The syntax of the command is pretty simple, just type copy, the name of the source file and the name of the destination file.
copy <sourcefile> <destfile>
Copy Without Prompting for Overwrite
By default the copy command will prompt you any time you try to overwrite a file. This can get really annoying, so you can use the /y option to prevent the confirmation question.
copy / y filename newfilename
Full Syntax
If you use the /? switch for the command, you can see the full syntax for the command:
COPY [/D] [/V] [/N] [/Y | /-Y] [/Z] [/L] [/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.
/L If the source is a symbolic link, copy the link to the target
instead of the actual file the source link points to.
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).
