Download - Linux
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LinuxOperating System
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Operating System, Definition
“ The master control program that runs thecomputer. It is the first program loadedwhen the computer is turned on”
Functions Performed by an OS are:User Interface
Task Management
Data Management
Device Management
Security
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Examples of Operating
Systems DOS (Disk Operating System)
Windows ( 95 , 98 , Me , 2000 , XP ,
Vista)
Unix ( OpenBSD, Free BSD , Solaris)
Macintosh ( Mac OS X)
Windows CE ( Compact Edition)
Symbian OS
&
Linux
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History of Linux
Developed by “Linus Torvalds” a
student of “University of Helsinki” in
“1991”
Torvalds put Linux Source Code on
Internet.
Developers showed interest and Linux
started to grow.
Still thousands of developers are
programming Linux and Software for
Linux using Internet.
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Linus Torvalds & Linux Symbol
History of Linux (Contd.)
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Why the name Linux?
Linux was made as a free and Open
Source version of Unix.
And it was developed by Linus
Torvalds
So
Linus + Unix = Linux
Linux is pronounced many ways, and
all of them are correct.
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What is Linux Linux
A Unix like computer
operating system assembled
under the model of free and
open source software
development and distribution.
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Distributions of Linux Today
Red Hat Linux
Fodora ( new name of Red Hat)
Mandrake
SuSe
Mandriva
Caldera
Debian
& many more because every one can develop a version.
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Open source software GNU
General Public License. Typically Linux is packaged in a format
such as a Linux distribution for desktop and server use.
Some popular mainstream Linux distributions include Debian (and its derivatives such as Ubuntu), Fedora and open
Suse.
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Linux is free and open source
software
The development of Linux is one of the most prominent examples of free and open source software collaboration:
The underlying source code may be used, modified, and distributed commercially or non commercially by anyone under licenses .
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Linux Supported Platforms
Linux can run every where from Hand
Held devices to Super Computers
Some of Nokia N-Series Mobiles use
a Compact Version of Linux.
Most of the Supper Computers today
run Linux Operating System.
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Distributions Rating
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Linux Design
Linux Supports all the commands of Unix using various Command Shells.
Linux Now also supports Graphical User Interfaces.
Unlike Windows , we can change the look and feel of Linux the way we want.
We have an Option of Windowing Environment, Like:◦ KDE ( K Desktop Environment)
◦ Gnome
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Linux Desktop
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Linux Desktop
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Uses of Linux
Linux is Used mostly as a Web Server
Operating System , due to it’s stability
and reliablity.
“Google” runs Linux on it’s more than
ten thousand Web Servers.
Now a days with the help of
Commercial Packages such a
RedHat’s Fedora Core 8 Linux can be
used for desktop computers.
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Linux as a Desktop Operating
System X Windows System for
displaying Graphics.
Mozilla Fire Fox ( web browser)
Open Office .Org , a free replacement for Microsoft Office.
XMMS ( Multimedia Player)
GIMP ( Image Editing)
& thousands of applications with all major distributions like Fedora Core 8.
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Wine
A major attraction of Windows Operating System is Games , it supports:
Commandos
Fifa
Cricket
Age of Empires etc.
Wine now allows to run Windows Games and Other Software Developed for Windows to run on Linux.
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Linux for Programmers
Plenty of Tools to program in:
GCC ( A C/C++ and Java Compiler)
QT ( allows developing GUI
applications)
KDevelop ( Like Microsoft Visual
Studio)
Quanta Plus ( Web Development Tool)
Emacs ( Best ever source code editor)
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Some Comparison Between
Linux and Microsoft Windows. Windows Linux
Microsoft Office open office
.org
Visual Studio Kdevelop
DirectX OpenGL
Windows Installer RPM
Internet Explorer Mozilla fire fox
Full of Viruses virus free
Mostly Crashes Never crashes
Only on PCs On all
computers
Windows Media Player XMMS
Adobe Photoshop GIMP
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Cost Comparison between Linux and
Windows OS / Products Windows
Windows 7 Pro. (Rs.17,000)
Windows Server 2008 (Rs. 85,000)
Microsoft Office 2007 (Rs.27,900)
Visual Studio 2008 Pro. (Rs. 51,000)
MSDN 2008 Pro. (Rs. 50,000)
SQL Server 2008 EE (Rs.21,20,000)
3d Studio Max (RS. 510,000)
Adobe Photoshop (Rs. 42,500)
Linux
Fedora Core 8 (Free)
RedHat Enterprise Edition 5 (Free)
Open Office.Org (Free)
Kdevelop + GCC (Free)
Unix Man Pages (Free)
My SQL ( Free)
Blender 3d (Free)
GIMP 2.5 (Free)
Price Listings are according to Microsoft Web Site.
Linux Tools are equal in functionality or some times even better than that of Windows.
In Pakistan,We don’t know actual prices of Microsoft Products and other commercial products because we purchase pirated software.
We pay Rs30 which is price of CD not that of software.
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The End