A cmd file extension is related to the CP/M operating system and used for it command data.

There are 5 other file types using
the CMD file extension!

cmd icon.cmd - Microsoft Windows command script

empty icon.cmd - dBASE program

empty icon.cmd - OS/2 REXX batch script

empty icon.cmd - Summit Contact Manager contact database

empty icon.cmd - M.U.G.E.N. character commands file

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CMD file extension - CP/M command

What is cmd file? How to open cmd files?

File type specification:

Various data file type icon Various data file type

The cmd file extension is associated with the CP/M, a command line operating system for 8-bit and 16-bit computers, developed by Digital Research.

The cmd file contains command data from CP/M.

The CP/M was obsolete system. Digital Research was acquired by Novell in 1991.

This cmd file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open cmd file:

CP/M picture or screenshot

CP/M  Multiplatform software

Company or developer:
Digital Research

An operating system for 8-bit computers. It looks rather like DOS to use this is hardly surprising because DOS was copied from CP/M in about 1980.

CP/M was developed by Dr. Gary Kildall from Digital Research. CP/M as a first system, which used standard 8.3 (8 characters for file name + 3 characters for file extension used to identify file type) naming of files. Killdall can be considered as father of file extensions.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .cmd file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .cmd file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cmd file, edit cmd file, convert cmd file, view cmd file, play cmd file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with cmd file - CP/M command

Click on the software link for more information about CP/M. CP/M uses cmd file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).


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