File Extension

COM File Format

Command file (program)

COM file format icon

COM is a file extension for a command file format  for an 8-bit CP/M (Control Program for Microcomputers) executable used by Microsoft Disk Operating System (DOS).

COM was created for the Intel 8080 processor. The COM file format was also used for a text list of commands in earlier operating systems in 1970’s minicomputers and mainframes.

MIME type: application/x-msdos-program Mime: application/x-msdownload

 

Learn more about COM files:

Ask a peer COM-related questions at IT Knowledge Exchange.

Wikipedia has an entry about CP/M.

This was last updated in July 2010
Editorial Director Margaret Rouse
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