DOS

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DOS (Disk Operating System)

a COMPUTER program which enables a computer to record and retrieve data from a rotating magnetic or vinyl disk. The most widely-used disk operating system is MSDOS, which is used on computers that are compatible with the IBM personal computer.
Collins Dictionary of Business, 3rd ed. © 2002, 2005 C Pass, B Lowes, A Pendleton, L Chadwick, D O’Reilly and M Afferson
References in periodicals archive ?
For example, in most cases there is no need even to switch from DOS application software to software specifically written for Unix.
Storing data and utility programs in expanded memory frees the conventional memory in which DOS application programs run.
DosBox allows you to run legacy DOS applications on modern computer which often fail to run such applications.
If you are a computer novice and you yawned, I advise you to pay attention now because partitioning gives you the option, among other things, of installing an additional operating system such as Linux or even DOS (yes, there still are some useful DOS applications around you may want to use).
The powerful, ergonomically-designed Field PC is suited to field data collection in agriculture and forestry.The Allegro, which runs Windows CE and DOS applications, is sealed to withstand temperature and moisture extremes of outdoor working environments.The unit is designed for agricultural engineers, agronomists and foresters who use mobile hand-held computers for outdoor data collection.
With a 486 processor and MS-DOS v6.22, the MX1 allows for the use of standard DOS applications and familiar programming languages such as "C++".