| A | B |
| CLS | CLEARS THE SCREEN |
| DATE | DISPLAYS THE CURRENT SYSTEM DATE |
| TIME | DISPLAYS THE CURRENTY SYSTEM TIME |
| VER | DISPLAYS THE CURRENT VERSION OF MS-DOS |
| DIR | DISPLAYS A LISTING OF FILES |
| HELP | PROVIDES ON SCREEN INFORMATION ON HOW TO EXECUTE DOS CMDS |
| FORMAT | PREPARES A BLANK DISK FOR RECEIVE/STORE DATA, CREATES A NEW DISK FROM A USED ONE |
| UNFORMAT | RECOVER FILES FROM AN ACCIDENTAL DISK FORMAT |
| LABEL | ADD, MODIFY, OR DELETE A DISK VOLUME LABEL |
| VOL | DISPLAYS THE VOLUME LABEL OF A DISK |
| SYS | TRANSFERS THE DOS SYSTEMS FILES |
| DISKCOPY | MAKES AN EXACT DUPLICATE COPY OF A FLOPPY DISK |
| DISKCOMP | COMPARES THE CONTENTS OF 2 FLOPPY DISK SECTOR BY SECTOR |
| CHKDSK | REPORTS DISK AND MEMORY STATUS AND IDENTIFIES COMMON DISK ERRORS. |
| COPY | COPIES ONE OR MORE FILES TO ANOTHER LOCATION |
| MOVE | MOVES ONE OR MORE FILES TO ANOTHER LOCATION |
| REN | CHANGES THE NAME OF ONE OR MORE FILES |
| DEL | DELETES SPECIFIED FILES |
| TYPE | DISPLAYS THE CONTENTS OF A TEXT FILE ON SCREEN |
| PRINT | PRINT TEXT FILE |
| MD | CREATES A NEW SUBDIRECTORY |
| CD | CHANGES THE CURRENT SUBDIRECTORY |
| RD | REMOVES EMPTY SUBDIR |
| DELTREE | REMOVES A SUBDIRECTORY ALONG WITH ALL FILES&SUBDIR BELOW IT |
| TREE | DISPLAYS THE SUBDIRECTORY STRUCTURE OF A DISK |
| PATH | SPECIFIES A LIS OF SUBDIRECTORIES FOR DOS TO SEARCH WHEN LOOKING FOR EXECUTABLE PROGRAM FILES |
| |MORE | FORCES DOS TO DISPLAY OUTPUT ONE SCREEN AT A TIME |
| CPU | MOST IMPORTANT HARDWARE DEVICE |
| BINARY NUMBER SYSTEM | LANGUAGE OF COMPUTERS |
| PORTS | IN/OUTPUT DEVICES THAT COMMUNICATE W/WHAT'S INSIDE THE COMPUTER |
| PERIPHERAL DEVICES | DEVICES THAT THE CPU COMMUNICATES W/ THAT ARE NOT ON THE SYSTEM BOARD |
| 3 TYPES OF PARTITIONS | PRIMARY/EXTENDED/LOGICAL |
| SCANDISK | CAN FIX ERROS ON COMMONLY USED DATA STORAGE DEVICES |
| CHKDSK | REPORTS DISK & MEMORY STATUS; IDENTIFIES COMMON DISK ERRORS |
| PARENT DIRECTORY | CD.. |
| ROOT DIRECTORY | CD\ |
| MEM | ALLOWS YOU TO VIEW MEMORY USAGE |
| MSD | VIEW THE SYSTEM'S PROCESSOR TYPE |
| DRIVERS | INSTRUCTIONS TO INTIALIZE & CONTROL HARDWARE NOT SPECIFIED IN THE BIOS |
| BNC | BRITISH NAVAL CONNECTOR |
| GOTO | TRANSFER EXECUTION TO A LINE LABEL |
| REM | REMARKS WILL FOLLOW |
| EDIT | ALLOWS THE USER TO EDIT THE CONTENTS OF A FILE |
| LOGIC BOARD | MOTHERBOARD |
| COMMON EXPANSION CARDS | MODEMS & NETWORK CARDS |
| SECTORS | DATA TRACKS ARE SEPARATED INTO? |
| MODEMS | A DEVICE NAMED FOR MODULATE & DEMODULATE |
| MICROPROCESSOR | SILICON CHIP WITHIN THE CPU HOUSING |
| BUS ENUMERATOR | LOCATES ALL DEVICES & DETERMINES WHAT RESOURCES THEY NEED |
| RESOURCE ARBITRATOR | DECIDES WHICH RESOURCES GET ASSIGNED TO WHAT DEVICE |
| DEVICE MANAGER | LIST OF DEVICES AND WHAT RESOURCES WERE ASSIGNED TO THEM |
| SINGLE TASKING OPERATING SYSTEM | DOS |
| DETCRASH.LOG | BINARY CODE FILE, HELPS RECOVER FROM A CRASH CAUSED BY HARDWARE PROBLEM |