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API of the MS-DOS operating system
The DOS API is an API which originated with 86-DOS and is used in MS-DOS/PC DOS and other DOS-compatible operating systems. Most calls to the DOS API are
DOS_API
Microsoft's core set of application programming interfaces on Windows
The Windows API, informally WinAPI, is the foundational application programming interface (API) that allows a computer program to access the features of
Windows_API
DOS specification
(mostly in ring 3, least privileged). DPMI stands for DOS Protected Mode Interface. It is an API that allows a program to run in protected mode on 80286
DOS_Protected_Mode_Interface
Microsoft computer operating system
applications through the API would report version 7.10. MS-DOS 8.0 was included in Windows Me, the last version based on MS-DOS. DOS mode was significantly
MS-DOS
Executable file format used for .EXE files in MS-DOS
WLINK; additionally, FASM can create them directly. DOS DOS extender Portable Executable DOS API Executable compression Paul, Matthias R. (2002-10-07)
DOS_MZ_executable
Family of operating systems for IBM PC compatibles
DOS/360 from 1966. Others include Apple DOS, Apple ProDOS, Atari DOS, Commodore DOS, TRSDOS, and AmigaDOS. IBM PC DOS (and the separately sold MS-DOS)
DOS
MSDOS-like operating system
Concurrent DOS 6.0 with the multitasking and multiuser capabilities as well as CP/M API support stripped out and the XIOS replaced by an IBM-compatible DOS-BIOS
DR-DOS
Connection between computers or programs
An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering
API
Family of CP/M- and DOS-compatible multi-user multi-tasking operating systems
Instead, Concurrent DOS provided an API call which a process could call to "sleep" for a period of time. Later versions of the Concurrent DOS kernel included
Multiuser_DOS
Type of computer software program
transparently interface with the underlying DOS API. This was necessary because many of the functions provided by DOS require 16-bit segment and offset addresses
DOS_extender
Computer assembly language instruction
breakpoints. Not implemented in processors before the 80386. INT 10H INT 13H DOS API Interrupt BIOS interrupt call Ralf Brown's Interrupt List Intel® 64 and
INT_(x86_instruction)
is also a variety of BSD and DOS operating systems, covered in comparison of BSD operating systems and comparison of DOS operating systems. The nomenclature
Comparison of operating systems
Comparison_of_operating_systems
C header file
directly to few of the first DOS INT 21H functions. The library supplied with Borland's Turbo C did not use the DOS API but instead accessed video RAM
Conio.h
Software program expanding DOS memory
executable file. DOS/32 DOS Protected Mode Interface (DPMI) DOS API DOS extender works with Windows, InfoWorld, July 22, 1991 "DOS/4G Release Notes"
DOS/4G
Data structure in microprocessors
example, IBM PC BIOS provides video services at the vector 0x10, MS-DOS provides the DOS API at the vector 0x21, and Linux provides the syscall interface at
Interrupt_descriptor_table
Comprehensive list of features of x86-based computers
peer-review and to assist in operating system development. BIOS interrupt call DOS API INT (x86 instruction) Malware analysis Contents of INTER release 61 (as
Ralf_Brown's_Interrupt_List
Type of simple executable file
segment and works down from there. In the original DOS 1.x API, which was a derivative of the CP/M API, program termination of a COM file would be performed
COM_file
Filesystem API
The Installable File System (IFS) is a filesystem API in MS-DOS/PC DOS 4.x, IBM OS/2 and Microsoft Windows that enables the operating system to recognize
Installable_File_System
Way for programs to access kernel services
applications from the very low level kernel API, and provide abstractions and resource management. IBM's OS/360, DOS/360 and TSS/360 implement most system calls
System_call
Operating system
MS-DOS cannot run on older non-IBM-compatible machines like the Z-100. DOS API List of DOS commands Timeline of DOS operating systems "Microsoft MS-DOS 1
Z-DOS
Topics referred to by the same term
partition ID assigned to ETH Zurich, see Partition type 4Ch, a function in DOS API primary software interrupt vector 4Ch, an operation code in SCSI standalone
4CH
Computers derived from the IBM PC
generating static business graphics such as charts and graphs. MS-DOS did not have an API for graphics, and the BIOS only included the rudimentary graphics
IBM_PC_compatible
Default command line for MS-DOS and Windows 9x
MS-DOS derivative by the former East German VEB Robotron. COMMAND.COM is a DOS program. Programs launched from it are DOS programs that use the DOS API to
COMMAND.COM
Implementation of the GNU toolchain for DOS
machines with DOS or DOS emulators. DJGPP presents the programmer an interface which is compatible with the ANSI C and C99 standards, DOS APIs, and an older
DJGPP
Word processor application
processed (meaning that the DOS API functions would handle screen or keyboard I/O first and then pass them to the BIOS). The first DOS version of WordStar, demonstrated
WordStar
Family of backward-compatible assembly languages
listings X86 architecture CPU design List of assemblers Self-modifying code DOS DOS API "Intel 8008 (i8008) microprocessor family". www.cpu-world.com. Archived
X86_assembly_language
American computer programmer
known for creating 86-DOS, an operating system for the Intel 8086. This system emulated the application programming interface (API) of CP/M, which was created
Tim_Paterson
Defunct American software company
revisions of Concurrent CP/M incorporated MS-DOS API emulation (since 1983), which gradually added more support for DOS applications and the FAT file system.
Digital_Research
Operating system from IBM
subset of the video and keyboard APIs as linkable libraries so that family mode programs are able to run under MS-DOS,[citation needed] and, in the OS/2
OS/2
Computer program that returns control to a non-multitasking OS without exiting
Normally DOS can run only one program at a time. When a program finishes, it returns control to DOS using the system call INT 21h/4Ch of the DOS API. The
Terminate-and-stay-resident program
Terminate-and-stay-resident_program
Idle detection system for computer power management
to pass. The DR-DOS kernel monitors all DOS API calls building up a profile of the applications behavior. Certain combinations of API calls suggest that
BatteryMAX
Series of laptops by Compaq
notebook in terms of conventional memory writes, file access in MS-DOS, and DOS API–initiated disk seeks; it also scored high marks in number-crunching
Compaq_LTE_(1st_generation)
Italian-American programmer and original developer of the FreeDOS kernel
actual operating system and developed an MS-DOS-compatible frontend API to applications. In contrast to MS-DOS, which is not designed to be reentrant, the
Pat_Villani
Microsoft Win16 API for Unix/Linux
Intel-based personal computers. This use of the Windows API meant that Wabi was not able to run DOS applications, unlike other solutions such as the company's
Wabi_(software)
System file (DOS kernel) in PC DOS and DR-DOS
provide the DOS API to applications. The file exists in PC DOS 1.0 to 7.10 and DR DOS 5.0 and higher (except for DR-DOS 7.06), with MS-DOS using MSDOS
IBMDOS.COM
BIOS interrupt call for disk access
sectors to the FAT file system driver in the DOS kernel, which handles file-related requests through DOS API (INT 21h) functions. Under protected mode operating
INT_13H
POSIX-compatible programming environment for DOS and OS/2
for MS-DOS and OS/2. It allows creating and executing of 32-bit mode applications, presenting a POSIX API and, on OS/2, access to the OS/2 APIs. The EMX
EMX_(programming_environment)
extension of the CDEX API in order to achieve this and work with older DOS versions. List of DOS commands Wolverton, Van (2003). Running MS-DOS Version 6.22.
MSCDEX
Events in the history of 16-bit x86 DOS-family disk operating systems
in the history of 16-bit x86 DOS-family disk operating systems from 1980 to present. Non-x86 operating systems named "DOS" are not part of the scope of
Timeline of DOS operating systems
Timeline_of_DOS_operating_systems
Word processing application
a significant performance advantage over WordStar, which used strictly DOS API functions for all screen and keyboard access, and was often very slow.
WordPerfect
Subsystem for 32-bit Windows for running 16-bit DOS & Windows programs
kernel and 16-bit API stubs. The 32-bit WoW translation layer thunks 16-bit API routines. 32-bit DOS emulation is present for DOS Protected Mode Interface
Virtual_DOS_machine
Software company
286|DOS-Extender, a DOS extender that emulated an OS/2 environment, complete with the OS/2 API and protected mode, in contrast with Microsoft's OS/2 API emulation
Phar_Lap_Software
Family of IEEE standards for compatibility between operating systems
application programming interface (API), command-line shell, and shell commands. Originally derived from commonly-found Unix APIs, shells, and commands (partly
POSIX
Execution model which allows for parallel computing
DR-DOS and Microsoft Windows implementations also exist: within the SFU/SUA subsystem which provides a native implementation of a number of POSIX APIs,
Pthreads
User-definable variable associated with each running process in many operating systems
placing a % sign before and after it. In DOS, OS/2 and Windows command-line interpreters as well as their API, upper or lower case is not distinguished
Environment_variable
1977 microcomputer by Tandy Corporation
some compatibility issues since the Model III DOS's API was not entirely identical to the Model I DOS. This was primarily to avoid legal disputes with
TRS-80
Software library for video game development
Android, and iOS, abstracting their application programming interfaces (APIs) into one portable interface. It can run also on top of Simple DirectMedia
Allegro_(software_library)
Text mode multitasking operating environment
controlled by the user with DOS program QEMM.COM. DESQview is able to use QEMM's features far beyond just the LIM EMS API, mapping most of the "conventional"
DESQview
Section of computer memory in PC compatibles
memory or only the portion available through this API. Extended memory can also be accessed directly by DOS programs running in protected mode using VCPI
Extended_memory
Software compiler
Windows API. The compiler was originally published as BASIC/Z, the first interactive compiler for CP/M and MDOS. Later it was extended to MS-DOS compatible
PowerBASIC
Family of disk operating systems
auto-started when this disk is booted from. On top of the File Manager API, the main DOS routines are implemented which hook into the machine's BASIC interpreter
Apple_DOS
American computer company (1979–1996)
CP/M-85 or Z-DOS, a modified, licensed OEM version of MS-DOS with the latter's filesystem but which is not fully compatible with the MS-DOS API, leading to
Zenith_Data_Systems
Device driver in MS-DOS
missing are FreeDOS's memory managers. None of the FreeDOS memory managers (HIMEMX.EXE, JEMM386.EXE, JEMMEX.EXE) implement the GEMMIS API and Windows fails
EMM386
Technical specification for how Windows software should behave over TCP/IP
on the Berkeley sockets API used in BSD for communications between programs. Early Microsoft operating systems, both MS-DOS and Microsoft Windows, offered
Winsock
GUI for Windows console applications
MS-DOS or compatible systems. A DOS application cannot access the Windows API and only runs on a 32-bit version of Windows with the aid of Virtual DOS machine
Windows_Console
Computer file system architecture design
effectively causing more fragmentation in the end. In some DOS versions, the usage of a special API function to create temporary files can be used to avoid
Design_of_the_FAT_file_system
Program that relocates its own address-dependent instructions and data when run
dead-code elimination RPLOADER – a DR-DOS API to assist remote/network boot code in relocating itself while DOS boots Garbage collection Self-replication
Self-relocation
Former front-end to DOS
multitasking, and windowing, personal computer operating environment for PC DOS developed by IBM, announced in August 1984 and shipped in March 1985. TopView
TopView
Environment in which users run application software
Windows 1.0, was not a full operating system, but a GUI laid over MS-DOS albeit with an API of its own. Similarly, the IBM U2 system operates on both Unix/Linux
Operating_environment
Collection of multimedia related APIs on Microsoft platforms
(APIs) for handling tasks related to multimedia, especially game programming and video, on Microsoft platforms. Originally, the names of these APIs all
DirectX
2000 Microsoft operating system version
editing and was designed to be easy to use for consumers; it is the last MS-DOS-based Windows version as all consumer versions starting with Windows XP moved
Windows_Me
output. These APIs run on top of the core graphics engine routines and device drivers. The NX11 API is compliant with the X Window API. It is based on
Microwindows
1995 Microsoft operating system version
Microsoft partially removed support for File Control Blocks (an API hold-over of DOS 1.x and CP/M) in Windows 95 OSR2 (OEM Service Release 2). FCB functions
Windows_95
Physical memory region on IBM PC compatibles
switch using the Virtual Control Program Interface (VCPI) API (which was introduced to allow DOS programs that needed protected mode to enter it from the
Upper_memory_area
Windows compatibility software
and the Public Windows Interface, which was an attempt to get the Windows API fully reimplemented in the public domain as an ISO standard but rejected
Wine_(software)
Microsoft operating system family
several API "personalities", including Windows API, POSIX, and OS/2 APIs—the latter two were phased out starting with Windows XP. Partial MS-DOS and Windows
Windows_NT
File manager
operating systems such as Novell DOS 7, OpenDOS 7.01, DR-DOS 7.02 and higher continued to emulate most of the task switcher API as well, ViewMAX 2 could be
ViewMAX
Word processor
were later written for several other platforms including IBM PCs running DOS (1983), Apple Macintosh running the Classic Mac OS (1985), AT&T UNIX PC (1985)
Microsoft_Word
Translator of computer source code
underlying programming language or an application programming interface (API) that breaks backward compatibility. It will perform automatic code refactoring
Source-to-source_compiler
Disk compression utility
undocumented pre-load API in order to provide seamless support for DoubleSpace as well. Since the DR-DOS drivers were DPMS-enabled whereas the MS-DOS ones were not
DriveSpace
Set of extended DOS memory management services
It is compatible with any DOS and can coexist with memory managers and DOS extenders such as DPMI, VCPI, etc. The DPMS API is reentrant and compatible
DOS_Protected_Mode_Services
Tandy operating environment
System for their TRS-80 line of computers, but eventually shifted to MS-DOS. Like GEM from Digital Research, it is not a full operating system, but runs
DeskMate
Free MS-DOS emulator
DOSBox is a free and open-source MS-DOS emulator. It supports running programs – primarily video games – that are otherwise inaccessible since hardware
DOSBox
Software-based endpoint of network communications
properties of a socket are defined by an application programming interface (API) for the networking architecture. Sockets are created only during the lifetime
Network_socket
DOS compatibility layer for Linux
compatibility layer software package that enables DOS operating systems (e.g., MS-DOS, DR-DOS, FreeDOS) and application software to run atop Linux on x86-based
DOSEMU
American software company
stack; and SOCKETS, a network socket API and connectivity package, is available as an optional add-on for ROM-DOS. The SDK comes with Borland C/C++ and
Datalight
Automatic, disk-wide data compression
loads the DOS kernel (MSDOS.SYS, IBMDOS.COM etc.) If the DOS supports the preload API, the DOS BIOS attempts to load a preloadable compression driver (DBLSPACE
Disk_compression
Techniques to alter a program
PIMAGE_DOS_HEADER pImgDosHeaders = (PIMAGE_DOS_HEADER)module; PIMAGE_NT_HEADERS pImgNTHeaders = (PIMAGE_NT_HEADERS)((LPBYTE)pImgDosHeaders + pImgDosHeaders->e_lfanew);
Hooking
Software interface based on commands formatted as lines of text
by this API is /, but can be changed to a hyphen-minus on the above-mentioned systems, except for under Datalight ROM-DOS and MS-DOS/PC DOS 5.0 and higher
Command-line_interface
Windows 3.x graphics API
we were actually able to create a video API that could run DOOM almost as fast under Windows as it did in DOS. Microsoft announced WinG at the 1994 Game
WinG
Command to change the working directory
input path), ReactOS, DOSBox, and UEFI. On MS-DOS, the command is available in version 2 and later DR DOS 6.0 includes the command as both cd and chdir
Cd_(command)
Embedded DOS and Linux company
real time OSes, that is a Linux API for some other OSes. Red Hat with its EL/IX created a kernel independent framework (API) which allowed some Linux software
Lineo
Operating environment created by Digital Research
Intel 80186 co-processor. GEM is used as the core for some commercial MS-DOS programs, the most notable being Ventura Publisher. It was ported to other
GEM_(desktop_environment)
Patterns used in computer programming
Python's glob. The original DOS was a clone of CP/M designed to work on Intel's 8088 and 8086 processors. Windows shells, following DOS, do not traditionally
Glob_(programming)
Operating system
CSI-DOS is an operating system, created in Samara, for the Soviet Elektronika BK-0011M and Elektronika BK-0011 microcomputers. CSI-DOS did not support
CSI-DOS
Type of interface based on outputting to or controlling a text display
text application's point of view, the display type is determined by the API, e.g., curses, TPUT. Under Linux and other Unix-like systems, a program easily
Text-based_user_interface
Text that identifies an item in a computer file system
Windows API, file I/O functions automatically convert / into \ (except when using the \\?\ prefix). Paths using standard Windows APIs (dating back to DOS and
Path_(computing)
Operating environment program
Visi On (also known as VisiOn) is an operating environment for MS-DOS, developed by VisiCorp and released in December 1983. Visi On was the first software
Visi_On
Operating system
SISNE plus is a DOS 3.3 compatible clone created by Itautec and Scopus Tecnologia in Brazil prior to the end of the Market Reserve in 1991, which, at
SISNE_plus
Process by which the Microsoft Windows of operating system family initializes
to Windows 2.11, the system is loaded when WIN.COM is executed within MS-DOS. It then loads WIN100.BIN or WIN200.BIN and WIN100.OVL or WIN200.OVL, along
Booting_process_of_Windows
released. Microsoft introduced Windows as a graphical user interface for MS-DOS, which had been introduced two years earlier, on August 12, 1981. The product
Microsoft Windows version history
Microsoft_Windows_version_history
Verifies the data integrity of a storage volume
than disk-based. The command is available in DOS, Windows, FlexOS, 4690 OS, OS/2, DR DOS 6.0, and FreeDOS. CHKDSK is similar to the fsck command in Unix
CHKDSK
Windows Live OneCare Windows SteadyState MS-DOS SB-DOS COMPAQ-DOS NCR-DOS Z-DOS 86-DOS Microsoft Windows DOS-based Windows 1.0 Windows 2.0 Windows 2.1 Windows
List_of_Microsoft_software
name of a proprietary DOS and Windows 95 application programming interface for Matrox Mystique graphics cards made by Matrox. MSI API supported a maximum
Matrox_Simple_Interface
Executable file format
libraries, tables for importing and exporting application programming interface (API) functions, resource management data and thread-local storage (TLS) information
Portable_Executable
Apple III operating system
programming interface (API). A single program is loaded at boot time, called the interpreter. Once loaded, the interpreter can then use the SOS API to make requests
Apple_SOS
File holding settings for a computer program
MS-DOS. An example CONFIG.SYS: DOS=HIGH,UMB DEVICE=C:\DOS\HIMEM.SYS DEVICE=C:\DOS\EMM386.EXE RAM DEVICEHIGH=C:\DOS\ANSI.SYS FILES=30 SHELL=C:\DOS\COMMAND
Configuration_file
8-bit operating system by Microsoft
MS-DOS 1.x was modelled after CP/M's API and was able to run CP/M applications that had been source-level translated to 8086, that would mean, MSX-DOS would
MSX-DOS
Discontinued operating system for x86 processors
DOS Plus (erroneously also known as DOS+) was the first operating system developed by Digital Research's OEM Support Group in Newbury, Berkshire, UK,
DOS_Plus
C++ IDE
Power Pack for DOS: Used to create 16- and 32-bit protected mode DOS applications, which can access a limited scope of the Windows API and call functions
Borland_C++
DOS API
DOS API
Male
English
Medieval pet form of English Robert, DOB means "bright fame."
Female
English
 Short form of English Rosalind, ROS means "weak horse." Compare with another form of Ros.
Surname or Lastname
English
English : see Fosse.Dutch (de Vos) : nickname for someone with red hair, from vos ‘fox’.North German : variant of Voss.
Male
Hebrew
(דּï‹×‘) Hebrew name DOV means "bear."
Male
Russian
(Фёдор) Variant form of Russian Fyodor, FÉDOR means "gift of God."
Surname or Lastname
English and Scottish
English and Scottish : nickname for a mild and gentle man, from Middle English do ‘doe’ (Old English dÄ).English (of Norman origin) : habitational name (Old French d’Eu) for someone from Eu in Seine-Maritime, France. The place name is either a dramatic reduction of Latin Augusta ‘(city of) Augustus’, or else derives from the Germanic element auwa ‘water meadow’, ‘island’.
Surname or Lastname
Scottish (also found in Ireland)
Scottish (also found in Ireland) : reduced form of McDow. This surname is borne by a sept of the Buchanans.English : variant of Daw.Americanized spelling of Dutch Douw, an Old Frisian personal name.Americanized spelling of German Dau.Henry Dow (1634–1707), NH soldier and statesman, was born at Ormsby in Norfolkshire, England. His father migrated with his family to Watertown in the colony of Massachusetts Bay in 1637 and moved to Hampton in the province of NH in 1644. Henry became an influential and prosperous figure in Hampton. He married twice and had four sons.
Male
English
Short form of English Donald, DON means "world ruler."
Male
English
Short form of English Dominic, DOM means "belongs to the lord."
Female
English
Pet form of English Dorothy, DOT means "gift of God."
Male
Hungarian
Hungarian form of Greek Ioannes, JÃNOS means "God is gracious."
Female
German
 Short form of German Rosamund, ROS means "horse-protection." Compare with another form of Ros.
Boy/Male
American, Australian, British, English
Short Form of Name Starting with Des
Male
Greek
(ἸάϊÏος) Greek form of Hebrew Yaiyr, IAÃROS means "whom God enlightens." In the bible, this is the name of several characters, including a descendant of Manasseh.Â
Male
Hungarian
Hungarian name ÃKOS means "white falcon."
Male
Greek
(ΕÏÏίκος) Greek name which ultimately derives from Old German Amaliricus, ERRÃKOS means "work-power."
Surname or Lastname
English
English : patronymic form of Dodd.
Female
Hebrew
(דּï‹×¨) Variant spelling of Hebrew unisex Dowr, DOR means "generation" or "period of time." In the bible, this is the name of a coastal city in Manasseh, south of Carmel.
Female
Greek
(Ἠώς) Greek name EOS means "dawn." In mythology, this is the name of the goddess of dawn. Equated with Latin Aurora.
Male
Hungarian
Hungarian form of Greek Theodoros, TÓDOR means "gift of God."
DOS API
DOS API
Male
Greek
(Φίλων) Greek name derived from the word phileo, PHILON means "to love."
Girl/Female
Indian
Line of Flame; Row of Lamps
Boy/Male
Indian, Sanskrit
Lord of the Earth
Boy/Male
Tamil
Rishyasringa | ரீஷà¯à®¯à®¾à®·à¯à®°à¯€à®¨à¯à®•ா
Sages name
Male
Chamoru
, to concern, to pertain to.
Boy/Male
Hindu, Indian
Fame; Glory
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Old and Ancient Man
Girl/Female
Muslim/Islamic
The sunrise
Girl/Female
Tamil
Bird
Boy/Male
Indian, Punjabi, Sikh
Lover of God
DOS API
DOS API
DOS API
DOS API
DOS API
v. t.
To hunt or track like a hound; to follow insidiously or indefatigably; to chase with a dog or dogs; to worry, as if by dogs; to hound with importunity.
n.
Anything small and like a speck comparatively; a small portion or specimen; as, a dot of a child.
2d pers. sing. pres.
of Do.
n.
One of the two constellations, Canis Major and Canis Minor, or the Greater Dog and the Lesser Dog. Canis Major contains the Dog Star (Sirius).
a.
Having a face resembling that of a dog.
v. t.
To mark with dots or small spots; as, to dot a line.
n.
A title anciently given to the pope, and later to other church dignitaries and some monastic orders. See Don, and Dan.
v. i.
To take hold; to grip, as a dog does.
n.
A quadruped of the genus Canis, esp. the domestic dog (C. familiaris).
n.
A fellow; -- used humorously or contemptuously; as, a sly dog; a lazy dog.
v. i.
To make dots or specks.
n.
A feat. [Obs.] See Do, n.
n.
The dog-rose.
v. t. / auxiliary
To put or bring into a form, state, or condition, especially in the phrases, to do death, to put to death; to slay; to do away (often do away with), to put away; to remove; to do on, to put on; to don; to do off, to take off, as dress; to doff; to do into, to put into the form of; to translate or transform into, as a text.