Introduction to command prompt and its commands

1. WELCOME
SUBMITTED BY
USHA KUMARI

2. INDEX
 Introduction of DISK OPERATING SYSTEM
 MS DOS
 Execution picture of DOS
 Function of DOS
 DOS Commands
 INTERNAL COMMANDS :-COPY CON, MD,CLS.
 EXTERNAL COMMANDS :-
 EDIT
 ATTRIB
 RESTORE.

3. MS-DOS
 MS-DOS stand for Microsoft disk operating
system.
 Most popular operating system used in MS.
 It is a non-graphical textual user interface
operating system.

5. FUNCTIONS OF DOS
 It translates the commands in such a language that
can be interpreted by the CPU and give result.
 It works as an interpreter which establishes a link
between hardware and software.

6. DOS-COMMANDS:-
 INTERNAL
COMMANDS
 These are automatically
stored in the memory.
 Collected in
COMMAND.COM
program file.
 e.g. DIR,MD,CD,RD etc.
 EXTERNAL COMMAND
 Either stored on floppy
disk or hard disk.
 Not collected in
COMMAND.COM
program file.
 e.g.FORMAT,TREE,CHK
DSK etc.

7. INTERNAL COMMANDS
COPY CON
 PURPOSE:-to create a file in directory or sub directory.
Syntax:-c:>COPY CON<File name>

8.  PURPOSE:- used to create a new directory or sub
directory.
 Syntax:- c:>MD directory name
MD (MAKE DIRECTORY)

9.  Purpose :- used to clear the display screen and
redisplay the DOS prompt at the upper left corner of the
screen.
 Syntax : X:> CLS
CLS

10. EXTERNAL COMMANDS:-
 EDIT
 PURPOSE :- used to create a new file or modify the
contents of an existing file.
 Syntax:- c:1>EDIT<File Name>

11.  Purpose :- used to change the attribute of a file i.e. user
can use ATTRIB to make a file “read only” which prevent
the file from the change of contents.
 Syntax :- C:> ATTRIB filename
ATTRIB

12.  Purpose :- used to restore file copied by BACKUP
command.
 Syntax :- C:> RESTORE<< Source path>>/option
RESTORE

13. Thank you