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LINUX

LINUX. gdfdgdfdhfhfjdfhjgfhgfgjdfhgjdhffkkfjgkfj. Background on Linux. Version of UNIX Linus Torvalds – Creator of Linux Open Source Operating System Free Software Source Code Available. Where is Linux Used?. 75% of respondents were already using Linux and another 14% were evaluating it

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LINUX

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  1. LINUX gdfdgdfdhfhfjdfhjgfhgfgjdfhgjdhffkkfjgkfj

  2. Background on Linux Version of UNIX Linus Torvalds – Creator of Linux Open Source Operating System Free Software Source Code Available

  3. Where is Linux Used? • 75% of respondents were already using Linux and another 14% were evaluating it • 43% of all web sites use Linux servers running the Apache Web server

  4. How is Linux Used? • Personal Workstation • File and Print Server • Internet Service Provider • Three-tier Client/Server • Turnkey System

  5. Using Linux on Personal Computers • Linux kernel for free • Kernel is central component • Kernel can be customized to user’s needs

  6. Linux Distributions • Corel Linux • Debian GNU/Linux • OpenLinux (Caldera) • Red Hat • Slackware • SuSE • TurboLinux

  7. Installing Linux SuSE Distribution

  8. SuSE Linux Hardware Requirements • CPU • Main memory • Optical Drive • Graphic card • Hard Drive • Sound Card

  9. CPU • IBM • INTEL • Pentium I – III • No 286, 386, 486, and Celeron • AMD • K6/II/III • Duran • Athlon, Athlon XP/MP

  10. Main Memory • SDRAM or DDRRAM • Doesn’t matter • Capacity: • Minimum requirement 64MB • Recommended 128MB and up

  11. Optical Drive • CD-ROM / DVD-ROM • Sony, Philips, and Acer • SuSE website has compatibility listing • CD-R • Sony, Philips, and Acer

  12. Graphics Cards • Supports new cards on the market • ATI: Radeon 7500/8500, FireGl 8700/8800, FireGL 2/4 • Matrox: G450/G550 • nVidia: GeForce 2/3/4, nForce

  13. Hard Drives • Supports EIDE and SCSI drives • IBM, Maxtor, and Seagate • Capacity • Min: 400MB • Full Install: 3GB • Anything above 3GB

  14. Sound Card • All common sound cards • Dell & Yamaha OPL3-SA • Professional audio: • Soundblaster: Audigy • Terratec: EWX 24/96 (Sereo I/O analog and digital), EWS 88 MT (8 analog channels), EWS 88D (10 digital channels in ADAT format)

  15. Configuring Linux System • Selecting a language • Choosing automatic or manual partitioning • Type of software to install • Choosing which drive to boot from

  16. Configuring Linux (continued) 5. Adjusting the time settings 6. Configuring the hardware aspect of the system 7. Creating the root password (for the Administrator), and user accounts 8. Hardware configuration

  17. Working with Linux Graphical User Interface • X Window System • SuSE KDE SuSE

  18. 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 • Sound Applications

  19. Software Applications (continued) • TV, Video, Radio, and Webcam • K3b: The KDE Burning Application • Digital Cameras • Kooka: Scanning Application • Graphics with the GIMP • Shell system

  20. Working with the “Shell” • Executes user commands • Command element • Command name • parameters

  21. Linux Directory Structure • Store drives • Accessing data using folders • Root directory: • beginning of file system

  22. Subdirectories Examples of Subdirectories /root directory, starting point of the directory tree /home (private) directories of users /devDevice files that represent hardware components /etc Important files for system configuration /etc/init.d Boot scripts/usr/binGenerally accessible programs

  23. Why Use Linux? • Costs less • Stable • Reliable • Extremely powerful

  24. LINUX VS WINDOWS

  25. Financial Differences • Technical Differences • End-User Differences

  26. Financial Differences

  27. Linux vs. Windows

  28. Cost for Businesses • Companies have to spend millions for licenses for ever individual windows computer • For Linux companies don’t have to spend anything

  29. Technical Differences

  30. Linux vs. Windows • Keeping up to date By Upgrading Linux upgrades faster than Windows • Compatibility Linux is Backward Compatible unlike Windows

  31. Linux vs. Windows Features Provided • Both support Dynamic Caching • Both have Multi-user Support

  32. Linux vs. Windows • Application Differences • No commercial word processor for Linux, which matches the quality for Windows

  33. End-User Differences

  34. Proprietary vs. Open Source • Windows is a Proprietary Technology Applications will only work on Windows • Linux – Open Source

  35. Linux • Complete information needed for download • Technical help – Available on Internet (user must be comfortable with UNIX system) • Windows word processor is better than Linux

  36. Linux vs. Windows In The Commercial Arena • Head to head competition • Used side by side as servers • Both handled daily workload for several small business operations • Linux with hardware disadvantage supported a community of users 3 times size of NT’s

  37. In The Commercial Arena • System Administration – Most significant difference • Linux – tougher environment • Linux requires learning multi-user issues built into Unix-file permissions • NT – easier environment • NT requires less effort to get a starter server up and running • But in NT you have to solve multi-user issues for each and every subsystem

  38. In The Commercial Arena • NT – graphical interfaces, wizards and easy-to-grasp metaphors • But as server chores become more customized, NT cannot handle it • Linux – textual interface (with X-Window) • But for complex jobs, Linux gives a powerful set of tools

  39. In The Commercial Arena • NT – easy for non-programmer • Linux – programmer-based culture

  40. Conclusion “When is it best to use Linux and when should some other operating system be preferred?” • It all depends on the user

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