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A PRESENTATION ON

By :- SHUBHANSH KATHAL O.I.S.T

An Operating System(O.S.) is Software that manages computer hardware and software resources and provides common services for computer programs.

The Operating System is an essential component of system software .

Application programs usually require an operating system to function.

For hardware functions such as input and output and memory allocation, it act as intermediate between program and computer hardware.

What is an Operating System?

The codes are executed directly by hardware and will frequently make a SYSTEM CALL to an operating system to be interrupted by it.

Operating systems can be found in almost every devices form- Cellular phones to Video games consoles to super computers and many more.

There’s nothing wrong in saying that no device can work without an operating system.

Examples :- Microsoft Windows, MacOS , Android,

iOS , Linux , UNIX , etc.

The operating system (OS) is the program which starts up when you turn on your computer and runs underneath all other programs - without it nothing would happen at all.

In simple terms, an operating system is a manager. It manages all the available resources on a computer, from the CPU, to memory, to hard disk accesses.

Tasks the operating system must perform:◦ Control Hardware ◦ Run Applications◦ Manage Data and Files◦ Security

Real Time:- It is a MULTITASKING operating System that aims execution of real-time applications. They use scheduling algorithm to achieve deterministic behavior. They provide quick and predictable response to events.

A event-driven system switches between tasks based on PRIORITIES.

MULTI-USER:-- A Operating system allow multiple users to access a computer system at same time. TIME SHARING system and internet servers can be classified as Multi-user access to a computer through the sharing of time.

Types Of Operating Sysyem.

Time Sharing: Time sharing operating system schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.

MULTI-Tasking:- A operating system allows more than one program to run at same time. A single – tasking system has only one running program Multi-tasking can be of two types

i) Pre-emptiveii) Co-operative

The PlayStation 3 system software is the updatable firmware and operating system of the PlayStation 3.

The process of updating is almost identical to that of the PlayStation Portable, PlayStation Vita, and PlayStation 4. The software may be updated by downloading the update directly on the PlayStation 3, downloading it from the user's local Official PlayStation website to a PC and using a USB storage device to transfer it to the PlayStation 3, or installing the update from game discs containing update data.

The native operating system of the PlayStation 3 is CellOS, which is a branch from the FreeBSD project. The 3D computer graphics API software used in the PlayStation 3 is LibGCM and PSGL, based on OpenGL ES and Nvidia's Cg. The PlayStation 3 uses the XrossMediaBar (XMB) as its graphical user interface.

The initial slim PS3s SKU shipped with a unique firmware with new features, also seen in software 3.00.

The current version of the software, 4.60, was made available on June 24, 2014.

PLAYSTATION OPERATING SYSTEM.

Company/Developers :- Sony Computer Entertainment OS Family :- UNIX Source Model :- Closed Source.

Initially Released :- as 1.10 (26 November 2006)

Latest Release :- 4.60 (24 June 2014) Platform :- Playstation 3

SPECIFICATIONS :-

VERSION 1.Introduced on 11 november 2006, 8 year

ago included playback of media , game compatibility, Account management, USB, Hard disk Compatibility,

version(1.6) brings compatibility of Blue-rays. The stability of the network connection has been

improved.Remote play over internet with compatibility of

webcam. HDMi support, brings use of DUALSTOCK 3

With usage od DS-3

Playstation OS History.

VERSION 2.Introduced on 8, November 2007, includes

the feature of wireless controllers. Security over intervene remote log in. With the biggest system change that PS3 RSX protection over Hack through LINUX by blocking the access.

and also installing only mandatory files rather than all files

OS wake-up was added , Introduction of the PLAYSTATION STORE.Printers support, Recovery mode was added.

new Start-up feature , Support to Live Playback was added.

VERSION 3.Introduced on 1, September 2009

was basically introduced to increase graphics compatibility and emphasized on interface and display. This new update brings the feature of sending error report to the developers.

Reduced bluetooth sync issues. Optional installation was introduced. Small RAM required. External HDD can be used.

3D movies with blu-Ray can be played.

VERSION 4:released on 30 November 2011, has the

compatibility with PS VITA, improve certain aspects of system software such as network stability, no bluetooth sync issues.

The software which cannot be cracked.System can share files downloaded over other

devices system configures no change when transferred.

Every configuration was reached with network-system nd final version 4.60 on 24,June 2014 was released.

Structure of Playstation OS

DETAILED ARCHIETECTURE

PS OS Interfaces

Graphical User Interfaces (GUIs) When you logon locally, you are presented with graphical

environment.

You start at a graphical login screen. You must enter your username and password. You also the have the option to choose from a couple session types. Mainly you have the choice between Gnome and KDE.

Once you enter in your username and password, you are then presented with a graphical environment that looks like one of the following...

×- This command is directly linked to the hardware to execute operations.

∆ - This command is another hardware command to reverse the action or used as an “UNDO”

- This command is use to save an on going operation related to hardware.

- This command is used to generate and check-on the system settings.

COMMANDS….

Some more Instructions…. Start – To start an operation/s Select – To change/select an option. Directions – To change directions. L1 – left controller 1 L2 – Left controller 2 L3 (Analog Left) – controls left analog

operations. R1 – Right controller 1 R2 – Right controller 2 R3 (Analog Right) – Controls Right analog

operations.

Benefits of PS OS……

Benefits in different ways %

Flexibility 70%

Freedom to choose IT from different vendors 67%

Products from different vendors work together 66%

Access across multi-vendor environments 65%

Protect investment in existing computer systems 61%

Ability to use/share information anywhere in the world 59%

Cost savings 54%

Interoperability/portability across various platforms 54%

Organizational change not constrained by IT system 49%

Cost of ownership 49%

Playstation OS Security Common Sense Security File Permissions Login daemons Non-login daemons Stack Smashing Safe Scripts

ADVANTAGES

Process Management. Memory Management policies. Swapping. Swapping process out. Demand paging. File management. Security.

DIS-ADVANTAGES….

Compatibility Issues. Some Update versions failing!Withdrawal of Version 2.14.Withdrawal of version 3.0.Withdrawal of version 3.21.Withdrawal of version 4.45.

Some Issues with restarting the console.

Playstation Operating System is one of the most qualified and ranked operating system in the gaming era.

It’s the best operating system to design games with high quality definitions and with high graphic interface, as it provides a new graphic interface for developers to enhance gaming quality.

259.8 Million gaming console running Playstation operating system have been sold.

Summary …

Wikipedia Just Google. My playstation User Guide.

Bibliography…..