| Abbreviation | Definition |
|---|---|
| CTTY | Changing to a remote TeleTYpe |
| DATE | Display the DATE |
| DEBUG | start a testing environment for binary files - and more |
| DEFRAG | optomize a disk drive (be careful) |
| DEL | Delete file(s) |
| DELTREE | delete a directory and everything that is in it (DANGER!) |
| DELTREE | DELete a directory TREE and everything that is in it |
| DIR | Directory |
| DIR | DIRectory listing |
| DISKCOMP | DISK COMPare |
| DISKCOPY | Copy Disk |
| DISM | Deployment Image Servicing and Management Tool |
| DO | a Batch command that precedes the action to be performed in a loop |
| ECHO | Display other commands as they are executed |
| EDLIN | Line Editor |
| ERASE | Delete File [name of file(s) to be deleted] |
| EXE2BIN | Convert file from .EXE to .BIN |
| EXIST | a Batch command that tests for the existence of a specified file |
| EXIT | stop execution and close a Batch file |
| FASTOPEN | Store in memory file locations to speed access |