Usefull command

CHDIR Changes directories.CHKDSK Check the hard disk drive running FAT for errors.CHKNTFS Check the hard disk drive running NTFS for errors.CHOICE Specify a listing of multiple options within a batch file.CLS Clears the screen.CMD Opens the command interpreter.COLOR Easily change the foreground and background color of the MS-DOS window.COMP Compares files.COMPACT Compresses and uncompress files.CONTROL Open control panel icons from the MS-DOS prompt.CONVERT Convert FAT to NTFS.COPY Copy one or more files to an alternate location.CTTY Change the computers input/output devices.DATE View or change the systems date.DEBUG Debug utility to create assembly programs to modify hardware settings.DEFRAG Re-arrange the hard disk drive to help with loading programs.DEL Deletes one or more files.DELETE Recovery console command that deletes a file.DELTREE Deletes one or more files and/or directories.DIR List the contents of one or more directory.DISABLE Recovery console command that disables Windows system services or drivers.DISKCOMP Compare a disk with another disk.DISKCOPY Copy the contents of one disk and place them on another disk.DOSKEY Command to view and execute commands that have been run in the past.DOSSHELL A GUI to help with early MS-DOS users.DRIVPARM Enables overwrite of original device drivers.ECHO Displays messages and enables and disables echo.EDIT View and edit files.EDLIN View and edit files.EMM386 Load extended Memory Manager.ENABLE Recovery console command to enable a disable service or driver.ENDLOCAL Stops the localization of the environment changes enabled by the setlocal command.ERASE Erase files from computer.EXIT Exit from the command interpreter.EXPAND Expand a Microsoft Windows file back to it's original format.EXTRACT Extract files from the Microsoft Windows cabinets.FASTHELP Displays a listing of MS-DOS commands and information about them.FC Compare files.FDISK Utility used to create partitions on the hard disk drive.