DOS

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Related to DOS 4: MS DOS, Microsoft DOS

DOS

[dos]
abbreviation for disk operating system. A generic term describing an operating system loaded from disk devices, the hard drive in modern computers, when the system is started or rebooted.

DOS

Abbreviation for date of service.
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The easy pulldown menus and WYSIWYG design interface saves time as does the text paragraph function, another added feature to Label Matrix DOS 4.