Suffix commands
----Delete - Delete objects
Delete - Delete file/directory
SDelete - Delete sprite
----Diff - List differences between two objects
Diff - Diff between files
BDiff - Diff between BASIC files
HexDiff - Diff between hexfiles
ZipDiff - Diff between ZIP files
----Dump - Dump an object
Dump - Dump a file
WDump - Wide dump a file
MDump - Dump memory
MDRDump - Dump microdrive image
TAPDump - Dump tapefile
Prefix commands
Def---- - Define settings
DefAccess - Default file access
DefChar - Define characters
DefIcon - Define icons
Desk---- - Desktop commands
DeskGo -
DeskShut -
Desktop - Enter Wimp desktop
Dis---- - Opposite command
Dismount - Dismount a disk
DOS---- - DOS commands
DOS - Boot DOS
DOSFS - Select DOS filing system
Conversion commands
DSDto---- - Convert from DSD disk image
DSDtoSSD - Convert DSD disk image to SSD disk image
----toDSD - Convert to DSD disk image
SSDtoDSD - Convert SSD disk image to DSD disk image
Alphabetical list
Data -
Date - Display current date
DD -
Debit - Remove from user's file quota
DefAccess - Default file access
DefChar - Define characters
DefIcon - Define icons
Delete - Delete file/directory
Describe -
DeskGo -
DeskShut -
Destroy - Destroy multiple files/directories
DFSOff - Disable DFS
DFSOn - Enable DFS
Dir - Select directory
DirCat -
DirCreate -
DirScan -
Disable - Disable features
Disable DFS - Disable DFS
Disable HADFS - Disable HADFS
Disable NFS - Disable NFS
Disable Short - Disable short saves
Disc - Select Disc Filing System
DiscOff - Disable DFS
DiscOn - Enable DFS
Discs - Lists disks
Disk - Select Disk Filing System
DiskFind -
DiskName -
Disks - List disks
DiskServ -
Dismount - Dismount a disk
Disp -
Display - Display teletext screen
Do -
DoMail -
DOS - Boot DOS
DOSFS - Select DOS filing system
Drive - Select a drive
DSDtoSSD - Convert DSD disk image to SSD disk image
Dump - Dump a file
Dump7 -
WikiSysop (talk) 13:11, 8 March 2015 (UTC)