Introduction to Operating System

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Introduction to Operating System by Mind Map: Introduction to Operating System

1. 4 0S installation methods

1.1. Clean Install

1.2. Upgrade

1.3. Multiboot

1.4. Virtualization

2. Shell

2.1. What Is A Kernel ? | Center Of Operating System ? | Functions and Importance EXPLAINED

3. 2 Types of IP Configuration

3.1. Manual IP Configuration

3.2. Dynamic IP Configuration

4. Control a network

5. Patch definition: A small piece of code inserted into a program to improve its funtioning or to correct a fault

5.1. What is a patch

5.2. 3 situations when a patch should be applied

5.2.1. Manual

5.2.1.1. primarily used for service packs

5.2.2. Prompt for Permission

5.2.2.1. notifies end user when patch is available user decides whether or not to download it

5.2.3. Automatic Installation

5.2.3.1. updates scheduled to occur during times when PC is not in use

6. Operating System (OS) definition:

6.1. The OS act like a translator between user applications and the hardware.

6.2. A user interacts with the computer system through an application, such as a word processor, spreadsheet.

6.3. Operating Systems 1 - Introduction

6.4. The operating system is responsible for the communication between the application and the hardware.

7. 3 Components of OS

7.1. Kernel

7.1.1. What is Kernel in Operating System Explained with its Types

7.2. Hardware

8. 2 Types of OS licensing

8.1. commercial license

8.2. GPL lincense

9. 3 Categories of OS

9.1. SERVER : MAC OS SERVER.

9.2. EMBEDDED : 1) PALM OS. 2) IPHONE OS. 3)SYMBIAN OS.

9.3. STAND-ALONE : MAC OS X

10. 4 Operating System Requirements

10.1. -Amount of RAM needed

10.2. -Hard drive space required

10.3. Processor type and speed

10.4. Video resolution

10.5. Apex Legends PC System Requirements - Official EA Site

11. 2 Factors to be considered in implementing an OS

11.1. The total cost of Ownership (TCO) includes the cost of obtaining,installing and supporting it.

11.2. availability of the operating system

12. 2 Types of interface

12.1. CLI (Command Line Interface)

12.1.1. restrictive and limits the end-user

12.1.2. structured support available for a fee

12.2. What is Command Line Interface / Graphical User Interface ?

12.3. GUI (Graphical Unit Interface)

12.3.1. ensures everyone has full access

12.3.2. often released free-of-charge

12.3.3. less of a structured support

13. Majority groups of OS:

13.1. Microsoft Windows

13.2. UNIX-Based

13.3. BSD

13.4. Linux-Based

13.5. Macintosh OS X

13.6. Non-Unix proprietary: IBM OS/400, z/OS

13.7. GNU/GPL

14. Factors to be considered of OS selection

14.1. supports the requirements of the end user e.g apps,security and functionality

14.2. sufficient hardware resources. e.g memory,proceesor and scanner

14.3. human resources in business environment support to one or two operating system in the home environment the ready availability off technical support

14.4. stability and ronustness

14.5. memory management

15. 3 configurations for a computer for network

15.1. IP Address - Identifies the computer on the network

15.2. Subnet Mask - Identifies the network on which the computer is connected

15.3. Default Gateway - Identifies the device that the computer uses to access the internet or another network

16. 3 options of patch application

16.1. Automatic Installation - updates scheduled tp pccur during times when pc is not in use

16.2. Prompt for permission - notifies end user when is available & user decide whether or not to download it

16.3. Manual - primaly used for service packs

17. OS Functions

17.1. start & shutdown computer

17.2. administer security

17.3. Update automatically

17.4. monitor performance

17.5. manager progress

17.6. Provide user interface

18. How DHCP Server works

18.1. DHCP Discover

18.2. DHCP Offer

18.3. DHCP Request

18.4. DHCP Acknowledge