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Operating System

1.Introduction

2.getpid

3.fork

4.parent id and child id

5.Executing the linux command through system call

CPU scheduling

6.FIFO

7.SJF

8.RR

9.PS

Page Replacement Algorithm

10.FIFO

11.LRU or NFU

Simulation of UNIX command

12.LS

13.grep

File Allocation

14.Linked list file allocation method

15.contiguous file allocation method

Inter Process Communication

16.IPC using the shared memory Concept

17.IPC using the PIPES

Producer Consumer Problem

18.Producer Consumer Problem using semphores

19.Producer Consumer Problem using binary semphore

20.Producer Consumer Problem using finite buffer

21.Producer Consumer Problem using infinite buffer

22.Producer Consumer Problem using cyclic buffer

SHELL PROGARM

23.COUNT NO OF WORDS IN FILE WITHOUT CONSIDERING BLANK SPACE, NEW LINE
24.FIND ALL OCCURRENCE OF THE WORD AND REPLACE WITH A NEW WORD

25.DISPLAY ALL FILES IN DIRECTORY WHERE FILE OWNER HAS EXECUTE PERMISSION

26.DISPLAY ALL FILE NAMES AND SIZE IN CURRENT DIRECTORY

File concept Program

27.File attributes

28.Copy the content of the file

29.Move the content of the file

Process Concept

30.Zombie Process

31.orphan process

 

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