- D -

- Da Vinci eMail Dispatcher
 - 
Da Vinci eMail Dispatcher INTERFACE
 - 
DAISY.SYS - BROADCAST: CHAIN RESCANNED
 - Data General DG10
 - 
DATEFIX - INSTALLATION CHECK
 - DBLSPACE.BIN
 - DBLSPACE.BIN v6.2
 - 
DBOS DOS Extender
 - 
DECnet DOS (before 2.1) - DATA LINK LAYER PROGRAM
 - DECnet DOS
 - 
DECnet DOS 2.1+ - DATA LINK LAYER
 - DECnet DOS CTERM
 - DECnet DOS LOCAL AREA TRANSPORT
 - 
DECnet DOS network scheduler
 - DeskMate (Tandy)
 - 
DESQ??? - INSTALLATION CHECK
 - 
DESQview (TopView???) - UNIMPLEMENTED IN DV 2.x
 - DESQview
 - DESQview 1.x only
 - DESQview 2.20+
 - 
DESQview 2.42-2.53 - BUG
 - DESQview 2.50+
 - 
DESQview v2.00+ (TopView???) - POSTTASK - AWAKEN TASK
 - DESQview v2.00+
 - 
DESQview v2.01+ - CSTYLE - SET C-COMPATIBLE CONTROL CHAR INTERPRET
 - DESQview v2.20+
 - 
DESQview v2.20-2.25 - reserved
 - DESQview v2.23+
 - 
DESQview v2.23+ internal - DECREMENT CRITICAL NESTING COUNT
 - DESQview v2.26+
 - DESQview v2.26+ External Dev Interface
 - DESQview v2.26+ External Device Interface
 - DESQview v2.26+ XDI
 - 
DESQview v2.31+ - ???
 - DESQview v2.40+
 - 
DESQview v2.42-2.52 - BUG
 - DESQview v2.50+
 - DESQview v2.50+ External Dev Interface
 - DESQview/X
 - DESQview/X 1.02+
 - 
DESQview/X v1.10 - ???
 - 
DGIS - INQUIRE INT 10 OUTPUT DEVICE
 - Diamond Stealth 24
 - Diamond Stealth64 Video
 - 
Diamond Viper V330 - ???
 - 
Diet Disk v1.0 - INSTALLATION CHECK
 - DIET v1.10+ (Overlay Mode)
 - DIET v1.43e
 - Digiboard
 - 
Digiboard DigiCHANNEL PC/X - SPECIAL CHARACTER FLAG/COUNTER
 - Digiboard DigiCHANNEL PC/X*
 - DIGITAL RESEARCH
 - 
Digital Research DOS Plus - CALL BDOS
 - DIGPAK
 - DimVGA v2.0+
 - DimVGA v2.1+
 - DimVGA v3.0+
 - DimVGA v3.4
 - DIMWIT
 - Direct Graphics Interface Standard (DGIS)
 - DISK
- 
??? (Western Digital Super BIOS)
 - 
GET DISK TYPE (XT 1986/1/10 or later,XT286,AT,PS)
 - 
GET DRIVE PARAMETERS (PC,XT286,CONV,PS,ESDI,SCSI)
 - 
GET STATUS OF LAST OPERATION
 - 
READ SECTOR(S) INTO MEMORY
 - 
RESET DISK SYSTEM
 - 
SET MEDIA TYPE FOR FORMAT (AT model 3x9,XT2,XT286,PS)
 - 
VERIFY DISK SECTOR(S)
 - 
DISK - WRITE DISK SECTOR(S)
 
 - Disk Spool II v1.83
 - Disk Spool II v2.07+
 - 
Disk Spool II v4.05 - ???
 - Disk Spool II v4.0x
 - 
Disk-Emu - INSTALLATION CHECK / GET VERSION
 - 
DISKETTE - ROM BIOS DISKETTE HANDLER RELOCATED BY HARD DISK BIOS
 - 
DISKLESS BOOT HOOK (START CASSETTE BASIC)
 - DJ GO32.EXE 80386+ DOS extender
 - DJGPP GO32.EXE DOS EXTENDER
 - 
DK.COM v1.03 - INSTALLATION CHECK
 - DLite 1.0+
 - 
DMP Print Spooler v2.03 - INSTALLATION CHECK
 - 
Doorway - SET BIOS/DIRECT REDIRECTION
 - 
Doorway v2.x+ - INSTALLATION CHECK / REDIRECTION CONTROLa
 - DOS 1+
 - DOS 2+
 - DOS 2+ internal
 - 
DOS 2.11+ - GET OR SET MEMORY ALLOCATION STRATEGY
 - 
DOS 2.25 only - GET LEAD BYTE TABLE ADDRESS
 - DOS 2.25, DOS 3.2+
 - 
DOS 2.x and 3.3+ only - AVAILDEV - SPECIFY \DEV\ PREFIX USE
 - DOS 2.x only PRINT.COM
 - DOS 3.0+
 - DOS 3.0+ ASSIGN
 - DOS 3.0+ CRITICAL ERROR HANDLER
 - DOS 3.0+ internal
 - DOS 3.0+ PRINT
 - DOS 3.0+ PRINT.COM
 - DOS 3.1+
 - DOS 3.1+ internal
 - DOS 3.1+ network
 - 
DOS 3.1+ PRINT - GIVE PRINT A TIME SLICE
 - 
DOS 3.2 Realtime Clock update
 - DOS 3.2+
 - 
DOS 3.2+ internal - SET DEVICE DRIVER LOOKAHEAD FLAG
 - DOS 3.3+
 - DOS 3.3+ APPEND
 - DOS 3.3+ DISPLAY.SYS internal
 - DOS 3.3+ GRAFTABL.COM
 - DOS 3.3+ internal
 - DOS 3.3+ KEYB.COM
 - 
DOS 3.3+ PRINT - GET PRINTER DEVICE
 - 
DOS 3.3, DOS 5.0 APPEND - HOOK INT 21
 - DOS 3.31+
 - DOS 3.4/4.0
 - 
DOS 3.x+ internal - GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE
 - DOS 4 only SHARE internal
 - DOS 4+ XMA2EMS.SYS extension internal
 - 
DOS 4.0 internal - IFS IOCTL
 - DOS 4.0+
 - 
DOS 4.0+ ANSI.SYS - INSTALLATION CHECK
 - DOS 4.0+ ANSI.SYS internal
 - DOS 4.0+ APPEND
 - 
DOS 4.0+ DRIVER.SYS support - GET DRIVE DATA TABLE LIST
 - DOS 4.0+ internal
 - 
DOS 4.0+ network - GET EXTENDED REDIRECTION LIST ENTRY
 - 
DOS 4.0+ SELECT - DISPLAY FORMAT DISK PROMPT
 - 
DOS 4.00 GRAPHICS.COM - INSTALLATION CHECK
 - 
DOS 4.01+ GRAPHICS.COM - INSTALLATION CHECK
 - 
DOS 4.x DISPLAY.SYS internal - INSTALLATION CHECK???
 - 
DOS 4.x internal - SET DOS VERSION NUMBER TO RETURN
 - DOS 4.x only
 - 
DOS 4.x only DISPLAY.SYS internal - ???
 - DOS 4.x only SHELLB.COM
 - DOS 5+
 - 
DOS 5+ DISPLAY.SYS internal - ???
 - 
DOS 5+ DOSKEY - INSTALLATION CHECK
 - 
DOS 5+ DOSKEY, PCED v2.1 - READ INPUT LINE FROM CONSOLE
 - 
DOS 5+ DOSSHELL - TASK SWITCHING API???
 - 
DOS 5+ KEYB.COM - GET KEYBOARD MAPPING
 - DOS 5+ ROM
 - DOS 5+ TASK SWITCHER
 - 
DOS 5.0+ SETUP
 - DOS Enhanced LAN Manager 2.0+ MINIPOP/NETPOPUP
 - 
DOS EXTENDER INSTALLATION CHECK
 - 
DOS Extender support???
 - DOS LAN Requester
 - DOS Navigator II
 - DOS Navigator II v1.49
 - DOS Protected Mode Services (DPMS) v1.0
 - DOS Protected-Mode Interface
 - DOS v2.11-2.13
 - DOS/V
 - DOS32 v3.0+
 - DOS32 v3.2+
 - 
DOSED.COM - INSTALLATION CHECK
 - DOSISODE to WATTCP TSR Interface
 - DoubleDOS
 - 
DoubleTools v1.0 - GET ???
 - DPMI 0.9+
 - DPMI 1.0+
 - 
DR DOS $IDLE$ - IOCTL - DYNAMIC IDLE DETECTION CONTROL
 - DR DOS 3.41+
 - DR DOS 3.41+ internal
 - 
DR DOS 3.41,5.0 KEYB - GET CONFIGURATION
 - 
DR DOS 3.41-5.0, Novell DOS 7 KEYB - INSTALLATION CHECK
 - DR DOS 5.0
 - DR DOS 5.0 GRAFTABL
 - 
DR DOS 5.0 NLSFUNC - GET EXTENDED COUNTRY INFORMATION
 - 
DR DOS 5.0+ - HISTORY BUFFER CONTROL
 - 
DR DOS 5.0+ internal - GET POINTER TO INTERNAL VARIABLE TABLE
 - 
DR DOS 5.0+ NLSFUNC - PREPARE CODE PAGE
 - DR DOS 5.0-6.0
 - DR DOS 5.0-6.0 internal
 - 
DR DOS 6+, Novell DOS 7+ - EMM386.EXE - VIDEO MEMORY SPACE CONTROL
 - DR DOS 6.0
 - DR DOS 6.0 TaskMAX
 - 
DR DOS 6.0+ - BOOT PHASE BROADCASTS FOR MEMORYMAX/RPLOADER/SECURITY
 - 
DR DOS 6.0+ DELWATCH.EXE - INSTALLATION CHECK
 - 
DR DOS 6.0+ FDOS EXTENSIONS - INSTALL FDOS HOOK (SHARE / DELWATCH)
 - DR DOS 6.0+ IBMBIO.COM
 - 
DR DOS v3.31+ - RUN ALREADY-LOADED KERNEL FILE
 - DR Multiuser DOS
 - 
DR Multiuser DOS 5.0 - API
 - 
DR PalmDOS - GENERIC IOCTL - LOGIN SECURITY
 - 
DR-DOS >7.03 - RESERVED
 - 
DR-DOS NLSFUNC 4.01+ - ENHANCED INSTALLATION CHECK
 - 
DRFAT32.SYS device driver - IOCTL INPUT
 - DRIVER.SYS support
 - 
DTown Utilities - POP UP
 - DTown Utilities v1.40+
 - 
DUBLDISK.SYS v2.6 - GET INFO
 
