Introduction to operating system.......

1. Seminar On
Subject : Professional Practice Two
Group Members :
1. Murlimohan Kandikatla
2. Kartik Badgu
3. Satish Yedur
4. Rahul Pola
5. Manoj Mergu
6. Ramesh Gurram

2. An operating system is an interface between
the hardware of a computer and the user
(programs or humans).
 OS is a collection of software that manages
computer hardware resources and provides
common services for computer programs.
The OS is an essential component of system
software in computer system.
WHAT IS OS

3.  Operating system provides a stable and
consistent way to deal with hardware without
having to know all the details of the hardware.
 To manage the hardware and software
resources.
NEED OF OPERATING SYSTEM

4.  Simplify the execution of user programs
and make solving user problems easier.
 Efficient use of hardware.
 Make application software portable and
versatile.
 Provide isolation, security and protection
among user programs.
 Improve overall system reliability.
GOALS OF OS

5. BOOTSTRAP PROCESS

6. COMPONENTS OF OS
 USER INTERFACE
 MEMORY MANAGER
 PROCESS MANAGER
 DEVICE MANAGER
 FILE MANAGER

7. 1. SINGLE USER SYSTEMS
2. MULTI-USER SYSTEMS

8.  CONVENIENCE
 EFFICIENCY
 ABILITY TO EVOLVE
SOME FUNCTIONS