The command command starts a new instance of the command.com command interpreter.
CopyThe copy command does exactly that - it copies one or more files from one location to another.
CttyThe ctty command is used to change the default input and output devices for the system.
DateThe date command is used to show or change the current date.
The dblspace command is used to create or configure DoubleSpace drives.
DriveSpace, executed using the drvspace command, is an updated version of DoubleSpace.
The debug command starts Debug, a command line application used to test and edit programs.
DefragThe defrag command is used to defragment a drive you specify. The defrag command is the command line version of Microsoft's Disk Defragmenter.
The del command is used to delete one or more files.
The del command is the same as the erase command.
DeltreeThe deltree command is used to delete a directory and all the files and subdirectories within it.
The dir command is used to display a list of files and folders contained inside the folder that you are currently working in.
The dir command also displays other important information like the hard drive's serial number, the total number of files listed, their combined size, the total amount of free space left on the drive, and more.