DOS memory management
In IBM PC compatible computing, DOS memory management refers to software and techniques employed to give applications access to more than 640 kilobytes (1024 bytes) (KB) of "conventional memory". The ...
List of MS-DOS system files
MS-DOS / PC DOS and some related disk operating systems use the files mentioned here.System Files:Command line interpreter (Shell):User configuration files:Standard DOS utility programs:Standard DOS d...
Microsoft File Compare
In computing, fc (File Compare) is a command line program that compares multiple files and outputs the differences between them. The fc command has been included in Microsoft operating systems since M...
Microsoft Diagnostics
MSD (Microsoft Diagnostics) was a software tool developed by Microsoft to assist in the diagnostics of 1990s-era computers. Users primarily deployed this tool to provide detailed technical informatio...
Microsoft Diagnostics - Wikipedia
SmartDrive
SmartDrive (or SMARTDRV) was a disk caching program shipped with MS-DOS versions 4.01 through 6.22 and Windows 3.0 through Windows 3.11. It improved data transfer rates by storing frequently accessed ...
Caldera OpenDOS
DR-DOS (DR DOS, without hyphen up to and including v6.0) is an operating system of the DOS family, written for IBM PC-compatible personal computers. It was originally developed by Gary Kilda...
E (PC DOS)
E is the text editor which was made part of PC DOS with version 6.1 in June 1993, and later with version 7 and PC DOS 2000. In version 6.1, IBM dropped QBASIC, which, in its edit mode, was also the sy...
DOSBox
DOSBox is an emulator program that emulates an IBM PC compatible computer running a DOS operating system. Many IBM PC compatible graphics and sound cards are also emulated. This means that original D...
DOSBox - Wikipedia
MS-DOS
MS-DOS (/ˌɛmɛsˈdɒs/ EM-es-DOSS; short for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft. It was the most commonly used member o...
MS-DOS - Wikipedia
.sys
.sys is a filename extension in Microsoft Windows and DOS-type operating system.Most .sys files are real mode device drivers. Certain files using this extension are not, however: MSDOS.SYS and IO.SYS ...
Thunk (compatibility mapping)
In computer programming, a thunk is a subroutine that is created, often automatically, to assist a call to another subroutine. Thunks are primarily used to represent an additional calculation that a s...
PC booter
A PC booter, or booter, is a type of software for home computer era (early 1980s to early 1990s) personal computers that was loaded and executed in the bootup of the computer, from a bootable floppy d...
Tim Paterson
Tim Paterson (born 1956) is an American computer programmer, best known as the original author of MS-DOS, the most widely used personal computer operating system in the 1980s.Paterson was educated in ...
Slowdown utility
A slowdown utility is software designed to make a faster computer run slower. Typically this is used to run old games, which will run too fast or not function properly on more modern high speed machin...
MSDOS.SYS
MSDOS.SYS is a vital system file on MS-DOS and Windows 9x operating systems.In versions of MS-DOS from 1.1x through 6.22, the file comprised the MS-DOS kernel and is responsible for file access and pr...
Bhole
Bhole is an emulator for Intel x86 PC games designed for DOS. It is different from other PC emulators, in that it emulates the executables directly, rather than through a DOS prompt. This gives the em...
DOS Shell
DOS Shell is a file manager, debuted in MS-DOS and IBM PC DOS v4.0 (June 1988). It was discontinued in MS-DOS v6.0, but remained part of the "Supplemental Disk" until v6.22 (the last independent reta...
DOS Shell - Wikipedia
VGA-compatible text mode
The implementation of computer monitor text mode on VGA-compatible hardware is quite complex. Its use on PC-compatible computers was widespread in 1980s–1990s (particularly under DOS systems), but per...
VGA-compatible text mode - Wikipedia
EZ-DOS
DR-DOS (DR DOS, without hyphen up to and including v6.0) is an operating system of the DOS family, written for IBM PC-compatible personal computers. It was originally developed by Gary Kilda...
DriveSpace
DriveSpace (initially known as DoubleSpace) is a disk compression utility supplied with MS-DOS starting from version 6.0. The purpose of DriveSpace is to increase the amount of data the user could sto...
Virtual DMA Services
In computing, Virtual DMA Services (VDS) refer to an application programming interface that allow DOS and Win16 applications and device drivers to perform DMA operations while running under protected ...