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Micron Document

Copy (command)

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copy is a shell command for copying files.cite-ref-1[1]cite-ref-2[2]

Different implementations provide various capabilities, such as:

• Combining (concatenating) multiple files into a single file

• If multiple source files are specified before the path to an existing directory, then files are copied to the directory

• Support for text vs. binary data; for text, the command stops when it reaches an end-of-file (EOF) character; for binary, files are copied in their entirety; ignoring EOF

• In DOS, a file can be copied to or from a device. For example, copy path con outputs the file at path to the console, and copy con path copies text typed at the console to a file at path

Contents

• Implementations

• DOS

• See also

• References

• Further reading

• External links

Implementations

The command is available in RT-11,cite-ref-3[3] OS/8,cite-ref-os8-handb-4-0[4] RSX-11,cite-ref-5[5] ISIS-II,cite-ref-6[6] iRMX 86,cite-ref-7[7] TOPS-10,cite-ref-8[8] TOPS-20,cite-ref-cmdref-9-0[9] OpenVMS,cite-ref-10[10] MetaComCo TRIPOS,cite-ref-11[11] HDOS,cite-ref-12[12] Z80-RIO,cite-ref-13[13] OS-9,cite-ref-14[14] DOS, FlexOS,cite-ref-15[15] 4690 OS,cite-ref-16[16] PC-MOS,cite-ref-17[17] HP MPE/iX,cite-ref-18[18] OS/2,cite-ref-19[19] Windows,cite-ref-20[20] ROM-DOS,cite-ref-21[21] ReactOS,cite-ref-22[22] SymbOS, DexOS, and 86-DOS.cite-ref-23[23]

Under IBM PC DOS/MS-DOS the command is available since version 1.cite-ref-runningmsdos-24-0[24]

Some shells provide a copy command with a different name. In Unix-based systems, the copy command is cp. In CP/M, the command is PIP. in OpenVOS, the command is copy_file.cite-ref-25[25]

DOS

The following copies existing file fromfile to path tofile.

copy fromfile tofile

A file can be copied to a device. The following sends a file to the printer on lpt1.

copy letter.txt lpt1

The following outputs to stdout, like the type command.

copy letter.txt con

The following concatenates the page# files into book.txt – like cat.

copy page1.txt+page2.txt book.txt

The command can copy files between drives.

The following uses text mode to copy text of the file; stopping when it reaches an EOF character.

copy /a doc1.txt + doc2.txt doc3.txt

copy /a *.txt doc3.txt

The following uses binary mode; concatenating files in their entirety; ignoring EOF characters.

copy /b image1.jpg + image2.jpg image3.jpg