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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.
References in periodicals archive ?
Lacerte has all its bases covered: It has a DOS, a Windows 3.
Design of Experiments for DOS is based on the Taguchi method and includes calculation of on- and off-line ANOVA tables.
Clearly, the developers did more than design a DOS program to work under Windows.
The Windows program, based on the DOS product, offers the advantage of multiple windows and improved printing and facilitates use of ProSystem fx's extensive help system.
Dual monitor support, provided by the Power Macintosh 6100 DOS Compatible, allows customers to add a second display without purchasing an additional video card to view the Macintosh and DOS environments simultaneously.
These import/export programs can access an accounting data file on the same computer or on a backup disk from another DOS system, importing as much as the account number, description and previous and current years' balances.
Packed with the powerful Motorola 68LC040 and Intel 486SX microprocessor, the Macintosh Quadra 610 DOS COMPATIBLE is designed to provide users with more options than ever before, while allowing them to protect their software investment.
A network with fewer than about 20 computers works reasonably well with DOS.
Apple's Macintosh Quadra 610, DOS Compatible won first place in the "Best System" category.
For example, instead of typing a command to launch an application program as one would on a DOS machine, a Windows or Macintosh user positions the cursor over an icon (a small graphical image on the screen that represents an application program) and clicks on it.
The Macintosh Quadra 610, DOS Compatible version, which is planned to be preinstalled with MS-DOS 6.