1. Operating System
1. MS DOS ( Disk Operating System)
2. MS Windows XP
3. Linux ( Unix)

2. Work Of Operating System
• Provide a platform to user ,to Work in
computer
• Hardware and software Management
• Convert User language to Binary and
Binary To user language

3. Operating System Part
Hardware (CPU)
Cammand
Interface,
Interpreter
SHELL
Centeral
Process
kERNEL
Hardware
Input output
instruction

4. MS DOS
• Full Name of Disk Operating System
(1980) Dos 1.0
• CUI (Character User Interface)
• Command Interpreter
• Single user
• Single tasking

5. Version of DOS
• DOS 1.0
• DOS 2.0
• DOS 3.0
• Dos 4.0
• DOS 5.0 = Windows Workgroup
• DOS 6.0
• DOS 6.22
• DOS 7.0 Windows 95

6. Main File in Dos
• There are Three Types of File
1. Command. COM
2. MSDOS.sys
3. IO.sys

7. Command (instruction)
• Command is instruction for CPU , given by
user to perform any operation

8. Type of command
• Internal Command
Command work by 3 file of dos no external
file use
• External Command
Use file external file

9. Internal command
• Main part of dos command
• Prompt C:indiampjbpgmp>_
• Drive disk का प्रकार a-z
A: Floppy / Bootable
B: Floppy / Bootable
C: Hardisk
D: Hardisk
E: CD Rom
F : Pen Drive

10. DOS Screen

11. INTERNAL AND EXTERNAL COMMAND
1. DIR
2. MD
3. CD
4. CLS
5. RD
6. REN
7. COPY
8. DEL
9. TYPE
10. ECHO
11. TIME
12. DATE
13. PATH
14. COPY CON
15. VOL
16. COMMAND /? <HELP>
17. PROMPT
1. DOSKEY
2. ATTRIB
3. SORT
4. MORE
5. MOVE
6. SCANDISK
7. CHKDSK
8. EDIT
9. FORMAT
10. FDISK
11. FIND
12. DELTREE
13. BACKUP

12. Internal Command
1.Change Drive <Drive name :> <Enter>
2.Dir Show List of file and folder
/p Show page by page
/w show wide (chadai)
/a show hidden file
/s Show sub directory list
/o show Order wise

13. • C:> DIR <ENTER>
• MD (Make Directory)
• Syntax C:> md <Directory name > Enter
• Exp md india <enter>
• CD (CHANGE DIRECTORY)
• SYNTAX c:> CD <DIRECTORY PATH> ER
• CD.. EXIT FROM DIRECTORY
• CD ROOT DIRECTORY ME JANE KE
LIYE
• CD C:INDIAUPLUCKNOU <ENTER>

14. 1. CLS (Clear Screen)
2. RD (REMOVE DIRECTORY)
RD <DIRECTORY NAME>
CONDITION (DIRECTROY MUST BE EMPTY)
3. COPY CON (COPY CONSTRUCTION) TO CREATE FILE
SYNTAX C:> COPY CON < FILE NAME > <ENTER>
4. TYPE - THIS COMMAND SHOW THE INTERNAL DETAIL OF FILE
5. REN (RENAME ) THIS COMMAND USE FOR CHANGE NAME OF FILE AND
DIRECTORY )
C:> REN <FILE NAME > <New name> <enter>
6 DEL (DELETE) THIS COMMAND USE FOR DELETE FILE
SYNTAX C:> DEL <FILE NAME > <ENTER>
C:> DEL FILE1.TXT <ENTER>
7. COPY <THIS COMMAND USE FOR COPY FILE >
C:> COPY <SOURCE PATH> < DESTINATION PATH>
8. DATE IT SHOW DATE

15. 9. TIME - IT SHOW TIME AND CHANGE IT
10. ECHO : ECHO HI EVERY BODY

16. EXCERSISE
SCHOOL
class Teacher
10th 12th physics chemistry
file1 file2 file3

17. • More - TYPE KI TARAH HOTA HAI
• FILE CONTAIN DISPLAY , THIS SHOW PAGE
BY PAGE
• MOVE :
• SYNTAX :
• C:> MOVE <SOURCE PATH > <DESTINATION PATH >
• C:SCHOOL>CLASS> MOVE TEACHER C:SCHOOL
• DIRECTORY FILE

18. SCAN DISK/ CHKDSK
• DISK KO SCAN KARTA
• SHOW PRBLEM OF DISK
• REPAIRE PRBLEM OF DISK
EDIT
• NEW FILE KA NIRMAN KIYA JA
SAKTA HAI
• FILE KO SUDHAR JA SAKATA HAI

19. FORMAT
• THIS COMAND FORMAT DIRVE
• C:> FORMAT <DRIVE NAME>
• C:> FORMAT <A>