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 AGRI Grovestudies

Intro To MS DOS ?

MS-DOS, in full Microsoft Disk Operating System, the dominant operating system for the personal computer (PC) throughout the 1980s. 

There are mainly two types of dos command :- 

1.Internal commands:

 The internal commands are those commands that are automatically loaded in the memory. Some commonly used DOS internal commands are

1 Cls                          

2. Dir              

3. Date                      

4. Time                      

5. Ver             

6. Copycon               

7. Type          

8. Ren                       

9. Del                         

10. MD                      

11. CD                                   

12. RD                       

13. Copy     

1) Cls :- The purpose of this command is to clear the display screen and redisplay the Dos prompt at the top left corner of the screen.

Syntax:- C : / > Cls

2) Dir:- It displays the list of directories and files on the screen.

Syntax:- C : / > dir.

3. copycon : - The purpose of this command is to create a file.

Syntax : - C : / > copy con filename . extension.

 4. TYPE:- Allows the user to see the contents of a file.

Syntax :- C :/ >Type path

Eg: C:/ > Type D:/> ramu

10. MD:- The purpose of this command is to create a new directly or sub directly i.e sub ordinate to the currently logged directly.

Syntax : - C : /> MD directory

C : /> MD sub directory

11. CD : - The purpose of this command is to change from one director to another directory or sub – directory.

Syntax : - C : / > CD directory name

12 . RD: - The purpose of this command is to remove a directory or sub directory. If the user wants to remove a directory .

2. External commands: - 

 This commands are not permanent part of the memory. To execute or run this commands an external file is required.

Example : [.] Dot exe, bat.

Some commonly used DOS external commands are .

1. CHKDSK

2. move 

3. Format