Ms-Dos stands for “Microsoft
Disk Operating System†which is marked by Microsoft Corporation form U.S.A.
It is single user and single tasking operating system. It is command based
operating system.
There
are two types of command in Ms-Dos: -
Ø Internal Command
Ø External Command
Internal
Command:
-These commands are loaded in the computer system is called Internal Command.
There are many
type of internal command:-
Ex à copy con, CLS, type, time, date,
DIR, REN, VOL, VER, MK DIR, PATH, RMDIR, Exit, for, go to etc.
External Command: - This command not built into
the system because those command are after between the versions of ms-dos.
When you type on built
external command than you have to define the path of external command. This
command loaded into hard disk.
There are many
types of external command:-
Ex à EDIT, ATTRIB, CHKDSK, APP end,
label etc.
How to start MS
- DOS if your operating system is windows 7: -
1.
First
of all boot the system.
2.
Then
click on start button.
3.
Click
on all program.
4.
Click
on Accessories.
5.
Click
on Command Prompt.
OR
1.
Press
start button + R (run)
2.
Type
CMD or Command
3.
Click
on OK