Linux Introduction
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Introduction to Linux

Introduction to Linux

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Linux Introduction Linux Introduction Presentation Transcript

  • Introduction to Linux Mr. Amar H. More
  • Agenda  What is Linux  History of Linux  Linux Today  Open Source Software  Popular Linux Distributions  Software Applications  Languages Supported by Linux  Why to switch to Linux?  Why not to switch to Linux?  Comparison between Linux and Windows
  • What is Linux  UNIX like Operating System  Multi-user, Multitasking, Multiprocessor  Has the X Windows GUI  Runs on multiple hardware platforms  Source Code is available
  • History of Linux • In 80’s, Microsoft’s DOS was the dominant OS for PC • Apple MAC was better, but expensive • UNIX was much better, but much, much more expensive. Only for minicomputer for commercial applications • People were looking for a UNIX based system, which is cheaper and can run on PC
  • History of Linux • Both DOS, MAC and UNIX were proprietary, i.e., the source code of their kernel is protected • No modification is possible without paying high license fees • A famous professor Andrew Tanenbaum developed Minix, a simplified version of UNIX that runs on PC – Minix is for class teaching only. No intention for commercial use
  • History of Linux • In Sept 1991, Linus Torvalds, a second year student of Computer Science at the University of Helsinki, developed the preliminary kernel of Linux, known as Linux version 0.0.1
  • Linux Today • Linux has been used for many computing platforms like PC, PDA, Supercomputers, ... • Not only character interface but also user interface is available
  • Linux Today  The Oak Ridge National Laboratory's Jaguar supercomputer, as of November 2009 the world's fastest supercomputer. It uses the Cray Linux Environment as its operating system.
  • Linux Today
  • Open Source Software  When programmers on the Internet can read, redistribute, and modify the source for a piece of software, it evolves  People improve it, people adapt it, people fix bugs. And this can happen at a speed that, compared to conventional software development, seems astonishing
  • How do we get it?  Download it from the Internet  From a “Distribution” (e.g. RedHat) − Linux kernel − X Windows system and GUI − Web, e-mail, FTP servers − Installation & configuration support − 3rd party apps − Hardware support
  • Why is it significant?  Growing popularity  Powerful − Runs on multiple hardware platforms − Users like its speed and stability − No requirement for latest hardware  It’s “free” − Licensed under GPL − Vendors are distributors who package Linux
  • Popular Linux Distributions  Archlinux,  CentOS  Debian  Knoppix, a Live CD  Red Hat Enterprise Linux  Ubuntu  Fedora
  • Software Applications  OpenOffice: word processing, spreadsheets, drawing  Adobe Acrobat Reader  Konqueror: The KDE File Manager and Web Browser  Kmail: The KDE Mail Application  Evolution: An Email and Calendar Program  XMMS, VLC: Multimedia Applications
  • Software Applications  TV, Video, Radio, and Webcam  K3b: The KDE CD Burning Application  Digital Cameras  Kooka: Scanning Application  Graphics with the GIMP  Powerful Shell system (Console)
  • Languages Supported  Afrikaans, Amharic, Arabic, Azerbaijani, Belarussian, Bulgarian, Bengali, Breton, Bosnian, Catalan, Czech, Cymraeg, Danish, German, Greek, Esperanto, Spanish, Estonian, Euskara, Farsi (Iranian), Suomi (Finnish),French, Furlan, Gaeilge (Irish Gaelic), Galician, Hebrew, Hindi, Croatian, Hungarian, Armenian, Indonesian, Icelandic, Italian, Japanese, Georgian, Kannada, Korean, Kurdish, Kyrgyz, Lao, Lithuanian, Latgalian, Latvian, Macedonian, Mongolian,
  • Languages Supported  Malay, Maltese, Dutch, Norwegian Bokmål, Norwegian Nynorsk, Punjabi (in gurmukhi script), Polish, Portuguese (Portugal), Brazilian Portuguese, Romanian, Russian, Sardinian, Slovakian, Slovenian, Albanian, Serbian, Swedish, Tamil, Tajiki, Thai, Turkmen, Filipino (Tagalog), Turkish, Ukrainian, Urdu, Uzbekian, Vietnamese, Walloon, Chinese (simplified), Chinese (traditional)
  • Why to switch to Linux?  Security: Linux will keep our systems away from Malware and Viruses  Cost: Linux is the most cost efficient OS in the world. Why? Because it’s free...and not only is it free, it also (typically) comes with applications that would cost hundreds, hundreds if not thousands of dollars  Linux is highly resistant to System Crash and rarely needs rebooting
  • Why to switch to Linux?  Ease of use: Linux is extremely easy to use. If you know Windows, you’ll be able to work easily in Linux...  Linux plays well with others: Linux includes software to make it easy to network with Windows, Macs, and other Linux based computers  Support is everywhere: If you’re having a problem with Linux, help is as close as the nearest message board.
  • Why not to switch to Linux?  If you are using any propriatory software which is not supported by Linux  If you are using any hardware which is not supported by Linux
  • Comparison between Linux and Windows...  /media/disk-4/Documents and Settings/Amar More
  • References  http://linux.org  http://weikipedia.com  http://linuxquestions.com  http://linuxcounter.com