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Copy Files in CP/M

In CPM, files are copied using the pip command; here's a brief overview.

examples

copy a file from floppy disk A: to floppy disk B:

The problem here is that PIP must be loaded from diskette A before it can copy a file. This requires the CP/M diskette to be inserted in drive A:. Consequently, you cannot simply insert the source diskette and enter the copy command; you must start PIP first and then insert the source diskette. After starting, PIP displays the version number and an asterisk (*) as the prompt, awaiting input.

Start pip

A> PIP

copy command

*B:DSTFILE.TXT=A:SRCFILE.TXT

Full example:

A> PIP
CP/M 3 PIP VERSION 3.0
*B:DSTFILE.TXT=A:SRCFILE.TXT
*
<CTRL-C>
A>DIR B:
B: DSTFILE    TXT
A>

The command is a bit unconventional to use: the destination file comes first, followed by the source file. Still, this is the standard across CP/M, and one gets used to it.

copy every file from floppy A: to floppy B:

A> PIP
*B:=*.*
computer/os/cpm/copy_files.1791039890.txt.gz · Last modified: 2026/10/03 15:04 by neotek