This document discusses different types of basic DOS commands. It explains that there are internal and external DOS commands. Internal commands are built into COMMAND.COM and include commands like VER, TIME, DEL, MD, CD, COPY CON, CLS, DATE, VOL, REN, and COPY. External commands require external files and include commands like TREE, XCOPY, DISKCOPY, MORE, FDISK, and FORMAT. It provides examples of uses for some internal commands like CLS, which clears the screen.

1. welcome to DoS
commANDS
What are Basic Dos Commands?
[Internal And External]

2.  In MS-DOS (Disk Operating System) There are two types
of Basic dos commands they are internal dos commands
and external dos commands which are used separately to
perform specific task or operation. Internal dos commands
are those commands which are included in command
processor (command.com).
 Internal dos commands are built in command.com file and
while the computer has been booted this file or commands
are loaded in the computer memory and you can use this
basic dos commands while computer is ON.
 Examples:: ver, time, del, md , cd , copy con, cls , date, vol,
ren, copy etc
Basic Dos Commands?

3.  External Dos Commands are those basic dos commands
which require external supporting files which may be
present on the bootable disk or harddisk , without
supporting files you cannot run or execute this commands.
 The External Dos Commands are not built in
command.com file . They are present separately on
harddisk , they are slow as compared to internal dos
commands and require a lot of Computer memory to
execute or run
 Examples of Basic Dos Commands:: tree, xcopy, diskcopy,
more, fdisk, format etc.
External Dos Commands

4. Complete list of Basic Internal Dos
Commands and Their Uses
 cls
 date
 time
 copy con
 type
 rename
 copy
 delete
 dir
 md
 cd
 rd
 volume
 ver
 echo

5. CLS COMMAND
 This is an Internal dos
command which is used to
clear the output on the
screen obtained when
executed any basic dos
commands.
 These commands clears all
the text from the screen
and shows user a Command
prompt.
 (Syntax)
C:>cls (Press Enter)