Introduction to Google Chrome OS

Saurabh Jinturkar3127

GuideMr. Nilesh Patni

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Contents

• What is OS?• Google Chrome Browser• Android• Chrome OS:

» Introduction» Architectural Overview» Features

• Further Development• Advantages• Limitations• References

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What is OS?

• Program designed to run other programs

• Main Roles :IO managementProcessor managementFile managementMemory management

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Market Position

• Till today 58 stable standard OS released

• Most of them have GUI and Network connectivity.

• Windows Operating Systems share most of the Market

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Chrome Browser• First Microsoft Windows

Beta release : 2 September 2008 ; Stable release : 11 December 2008

• 39 times faster Java script than Internet Explorer

• HTML 5 and CSS3 Support

• Available for All major Platforms

• More than 40M users now 11.60% usage market share in Feb-10

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Android

• Mobile operating system• Built on Open Linux Kernel • Provides a better platform

for smartphones • Captured 11%

smartphone usage market world

• Developers can create rich applications to provide more relevant user experience

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Google Chrome OS : An Internet OS

Tim O’Reilly defines:

‘simply use our facilities, and the complexity will go away’ thing is Internet OS.

• Extension of Chrome Browser and Android

• Targeted for use on Netbooks

• First OS dedicated to Internet

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Chrome OS : Closer Look

• Chrome browser mounted on Linux Kernel

• Browser based OS

• Created specially for computers of new age

• More speed….. More Simple.. And more secure..

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Simplicity

• Just a browser with tabs• Requires Google ID to log in• Customizable as per users requirement

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Speed

Traditional OS Google Chrome OS

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=7 Seconds of Boot time

3 Seconds of Log in timeBoot processes

Security

• Small list of verified programs : signed and verified before each use

• Run in secured sandbox mode

• File System is Locked down :– Read only Root File System in EEPROM– Self Automatic updates for entire OS

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Security

• Applications have permission same as user

• Can communicate with each other easily

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• Web application have limited permission

• They are treated as untrusted apps and run in Encapsulated environment

Traditional OS Chrome OS

Security

• Data is stored in cloud

• Data is always synced with cloud to avoid data loss

• Cache data is Encrypted using image file per user which is locked and encrypted

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Malware Security

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• Digital Signatures are provided for every firmware update• If malware found System recovers itself to clean image

Running Applications on Chrome OS

• Only web applications are supported• User can save favorite applications in Application tabs• Environment designed to minimize gap between web apps and system apps. Web

Apps have permission to use Graphical resources, threads, Real time communication

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Multiple Workspaces

• Based on Linux : supports Multiple workspaces• New browser as a workspace can be opened

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Persistent Window

• Feature provided for Media player, Chatting service• Persistent Window = Minimizable independent Panel

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Other Features

• Supports external Memory Devices Ex. SD Card

• Explores external devices in Chrome Browser itself

• Embedded Video Player is provided as a feature of HTML 5

• Videos are played as separate tab

• Chatting feature is readily available

• V8 JavaScript engine is used to increase browser speed

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More Features

• Chrome OS is hardware dependent currently supports x86 and ARM architecture

• Developer mode is included with a switch mode button

• Developer mode allows developer to install their own builds of Chrome OS

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Further Development

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• Open Source project named ‘Chromium’ is stared

• Open Source Communities are adding code to Chromium

• Google Developers and Open Source Developers are working on same tree for betterment of OS

• Google is working with OEM to make Google Chrome OS machines available in market at the end of this year

• Expected that Chrome OS and Android will converge together

Advantages

• Free, Open Source : Lots of opportunity for developers

• Low hardware cost

• New web based applications need to be

• User friendly

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Limitations

• Hardware specific

• No physical data storage

• Does not support Microsoft Office

• Virtual Private Network(VPN) software can not be used for secured data transfer

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References

• http://www.chromium.org/developers/design-documents/: Chromium Developments site

• http://www.youtube.com/watch?v=5JyFbF7QFlY : Google Chrome OS Open Source Project Announcement

• http://www.w3schools.com/browsers/browsers_stats.asp

• http://www.android.com/about/

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What is Google Chrome OS ?Video

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Questions

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Thank You!

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