Types of Commands

DOS Commands are two types
1) Internal Commands.

2) External Commands.


INTERNAL COMMANDS:


The internal commands are those which are automatically loaded in the memory of your personal computer when DOS is loaded. Then those commands can be used without the need of any file or diskette. The internal commands are simple and are used for common jobs, such as copying, erasing and renaming file or changing the directory and changing the current date, time in your personal computer.


All internal commands are called memory resident commands.

All internal commands are part of Command.com


These are do not require any special files for being executing and are brought into the memory as soon as the computer is switched on.


List of Internal Commands :


DIR
CD
COPY
MD
DEL
CLS
TYPE
DATE
TIME
PATH
REN
RD1
BREAK
CALL
ECHO
EXIT
GOTO
IF
PAUSE
PROMPT
REM
SET
SHIFT
VER
VERIFY
VOL


EXTERNAL COMMANDS:


The external commands are used for relative complex jobs such as copying the entire diskette, comparing or joining files, sorting text and formatting a diskette. For using external commands, you need to use corresponding file available in the DOS diskettes or the hard disk.


All External commands are disk  resident commands. These commands will be loaded at the use of request.

Any command which contains COM, EXE, BAT may called as external commands.


These are require certain special DOS files for being executed.


List of External Commands :



FORMAT
ATTRIB
CHKDSK
TREE
XCOPY
DISKCOPY
PRINT
SWISS
BACKUP
GRAPHICS
CHKDSK
LABLE
DISK.COM
MODE
DELTREE
MORE
UNFORMAT
FDISK
SORT
UNDELATE
DOS-KEY
MOVE
EDIT
SCANDISK


Various DOS Command List :

List of Directory Commands :



DIR
MD
RD
TREE
PATH
SUBST

List of File Management Commands :



COPY
XCOPY
DEL
RENAME
ATTIB
BACKUP
RESTORE
FIND
SYS
COPYCON
EDIT


List of File Disk Management Commands :



FORMAT
CHKDSK
DISKCOPY
LABLE
VOL
DISKCOMP
COMP
RECOVER

List of File General Commands :



TYPE
DATE
TIME
PROMPT

List of Batch File Commands :



CALL
CHOICE
@
IF
FOR
GOTO
PAUSE
REM
SET
SHIFT

List of DOS Utility File Commands :



MEMMAKER
MSAV
DBLSPACE
MOVE
DEFRAG
DELTREE
MSBACKUP
SCANDISK
SETVER
UNDELETE
UNFORMAT
XCOPY

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