This document introduces operating systems and discusses their key features and functions. It defines an operating system as a program that manages other application programs and requests for their services. It then lists some common features of operating systems like memory management, file systems, user interfaces, and application support. The document also includes logos of operating systems like Windows and images of their usage statistics, identifying Windows as the most popular system in Bangladesh.

1. Introduction to Operating
Systems
Submitted to Submitted by
Sanjida Afroz Shimu Aklima (IVY)
Lecturer 212050101
Dept. of Computer Science & Engineering BBA 10th
University of Scholars University of Scholars

2. Contents
 What is Operating System?
 Some features of an operating Systems.
 Logos of some Operating Systems.
 How Operating Systems Does work?
 Most popular Operating System in Bangladesh.

3. What is Operating System?
 An operating system (OS) is the program that, after being
initially loaded into the computer by a boot program,
manages all of the other application programs in a computer.
 The application programs make use of the operating system
by making requests for services through a defined application
program interface (API).

4. Some features of an operating Systems
 Provides a platform for running applications.
 Handles memory management and CPU scheduling.
 Provides file system abstraction.
 Provides networking support.
 Provides security features.
 Provides user interface.
 Provides utilities and system services.
 Supports application development.

5. Logos of Some Operating Systems

6. How Operating System does work?
 The operating system (OS) is responsible for managing the
computer's software as well as its hardware components. It manages
files, memory, and processes; it handles input and output; and it
controls peripheral devices like disk drives and printers. These are
some of the fundamental functions that it carries out.

7. Most popular Operating System in Bangladesh
iOS 4.23%
Linux 1.02%
Windows 23.54%
• So, we can say that windows is the most popular
operating system in Bangladesh.

8. Thank You!!!
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