DOS Commands - Various MS-DOS commands are classified as

Directory commands - DIR, MD or MKDIR, RD, TREE & PATH
File Management commands - COPY, XCOPY, DEL, RENAME & ATTRIB
General commands - TYPE, DATE, TIME & PROMPT
Disk Management commands - FORMAT, CHKDSK, LABEL, VOL
DOS utility commands - MOVE, DELTREE, SCANDISK & SETVER