An Introduction To Linux

       Vikash Agrawal
      +91-9379191136
vikashagrawal1990@gmail.com

    Linux Users Group, M...
Index

1   Linux Philosophy

2   Open Source

3   Free Softwares

4   History

5   Open Source Software Model

6   Flavour...
Linux Philosophy




    Linux is Free and Open Source




   Vikash (LUG Manipal)    An Introduction To Linux   October 1...
Linux Philosophy




    Linux is Free and Open Source
    The term Free is in the sense, Freedom of source




   Vikash ...
Linux Philosophy




    Linux is Free and Open Source
    The term Free is in the sense, Freedom of source
    Since Linu...
Open Source - Definition




    Owners of Proprietary Softwares closely guard their Source code, and
    thus cannot be mo...
Open Source - Definition




    Owners of Proprietary Softwares closely guard their Source code, and
    thus cannot be mo...
Open Source - Definition




    Owners of Proprietary Softwares closely guard their Source code, and
    thus cannot be mo...
Free Softwares




    Free does not mean Free of Cost, instead it means the freedom of
    source code




   Vikash (LUG...
Free Softwares




    Free does not mean Free of Cost, instead it means the freedom of
    source code
    Though Open So...
Free Softwares




    Free does not mean Free of Cost, instead it means the freedom of
    source code
    Though Open So...
History


                                               In 1970’s AT&t Bell labs funded
                                 ...
History


                                               In 1970’s AT&t Bell labs funded
                                 ...
History


                                               In 1970’s AT&t Bell labs funded
                                 ...
History




   Vikash (LUG Manipal)   An Introduction To Linux   October 16, 2010   7 / 14
History



                                               Linux is Unix-like Operating
                                   ...
History



                                               Linux is Unix-like Operating
                                   ...
History



                                               Linux is Unix-like Operating
                                   ...
Free/Open Softwares good model


                                               Closed softwares Like Windows
            ...
Free/Open Softwares good model


                                               Closed softwares Like Windows
            ...
Free/Open Softwares good model


                                               Closed softwares Like Windows
            ...
Why so many Linux Flavours ???




   Vikash (LUG Manipal)   An Introduction To Linux   October 16, 2010   10 / 14
Why so many Linux Flavours ???



                                               All Linux flavours are called
            ...
Why so many Linux Flavours ???



                                               All Linux flavours are called
            ...
Why so many Linux Flavours ???



                                               All Linux flavours are called
            ...
Advantages Of Linux




   Low Cost




   Vikash (LUG Manipal)   An Introduction To Linux   October 16, 2010   11 / 14
Advantages Of Linux




   Low Cost
   Stablity




   Vikash (LUG Manipal)   An Introduction To Linux   October 16, 2010 ...
Advantages Of Linux




   Low Cost
   Stablity
   Performance




   Vikash (LUG Manipal)   An Introduction To Linux   Oc...
Advantages Of Linux




   Low Cost
   Stablity
   Performance
   Network Friendliness




   Vikash (LUG Manipal)   An In...
Advantages Of Linux




   Low Cost
   Stablity
   Performance
   Network Friendliness
   Flexiblity




   Vikash (LUG Ma...
Advantages Of Linux




   Low Cost                                    Compatiblity
   Stablity
   Performance
   Network ...
Advantages Of Linux




   Low Cost                                    Compatiblity
   Stablity                           ...
Advantages Of Linux




   Low Cost                                    Compatiblity
   Stablity                           ...
Advantages Of Linux




   Low Cost                                    Compatiblity
   Stablity                           ...
Advantages Of Linux




   Low Cost                                    Compatiblity
   Stablity                           ...
Who Uses Linux???


    Almost all Hackers rely on linux




   Vikash (LUG Manipal)      An Introduction To Linux   Octob...
Who Uses Linux???


    Almost all Hackers rely on linux
    Almost all Supercomputers runs on Linux




   Vikash (LUG Ma...
Who Uses Linux???


    Almost all Hackers rely on linux
    Almost all Supercomputers runs on Linux
    Amazon.com online...
Who Uses Linux???


    Almost all Hackers rely on linux
    Almost all Supercomputers runs on Linux
    Amazon.com online...
Who Uses Linux???


    Almost all Hackers rely on linux
    Almost all Supercomputers runs on Linux
    Amazon.com online...
Who Uses Linux???


    Almost all Hackers rely on linux
    Almost all Supercomputers runs on Linux
    Amazon.com online...
Who Uses Linux???


    Almost all Hackers rely on linux
    Almost all Supercomputers runs on Linux
    Amazon.com online...
Major Distibutions




    Open Suse
    Red Hat
    Debian
    Knoppix
    Fedora
    Slackware




   Vikash (LUG Manipa...
Thank You!!!




Vikash (LUG Manipal)   An Introduction To Linux    October 16, 2010   14 / 14
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Introduction to linux

  1. 1. An Introduction To Linux Vikash Agrawal +91-9379191136 vikashagrawal1990@gmail.com Linux Users Group, Manipal October 16, 2010
  2. 2. Index 1 Linux Philosophy 2 Open Source 3 Free Softwares 4 History 5 Open Source Software Model 6 Flavours 7 Linux Advantages 8 Who Uses Linux 9 Major Distributions Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 2 / 14
  3. 3. Linux Philosophy Linux is Free and Open Source Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 3 / 14
  4. 4. Linux Philosophy Linux is Free and Open Source The term Free is in the sense, Freedom of source Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 3 / 14
  5. 5. Linux Philosophy Linux is Free and Open Source The term Free is in the sense, Freedom of source Since Linux is free and Open Source, there are many flavors to linux Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 3 / 14
  6. 6. Open Source - Definition Owners of Proprietary Softwares closely guard their Source code, and thus cannot be modified by anyone except them Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 4 / 14
  7. 7. Open Source - Definition Owners of Proprietary Softwares closely guard their Source code, and thus cannot be modified by anyone except them On the contrary Open Source softwares means, the source code of the software is OPEN to general public Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 4 / 14
  8. 8. Open Source - Definition Owners of Proprietary Softwares closely guard their Source code, and thus cannot be modified by anyone except them On the contrary Open Source softwares means, the source code of the software is OPEN to general public Source Code is made open so that people too can contribute to the development of software Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 4 / 14
  9. 9. Free Softwares Free does not mean Free of Cost, instead it means the freedom of source code Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 5 / 14
  10. 10. Free Softwares Free does not mean Free of Cost, instead it means the freedom of source code Though Open Source are mostly free of cost but with few Exceptions (for more info on this you can visit - http://en.wikipedia.org/ wiki/List_of_proprietary_software_for_Linux) Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 5 / 14
  11. 11. Free Softwares Free does not mean Free of Cost, instead it means the freedom of source code Though Open Source are mostly free of cost but with few Exceptions (for more info on this you can visit - http://en.wikipedia.org/ wiki/List_of_proprietary_software_for_Linux) In Open Source Software you have the right to use Use, Modify, Copy and Distribute the software with or without the changes that you made to the code Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 5 / 14
  12. 12. History In 1970’s AT&t Bell labs funded a project to create a new Operating System and came up with UNIX Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 6 / 14
  13. 13. History In 1970’s AT&t Bell labs funded a project to create a new Operating System and came up with UNIX UNIX finally developed as a powerfull Operating System and quickly became very famous Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 6 / 14
  14. 14. History In 1970’s AT&t Bell labs funded a project to create a new Operating System and came up with UNIX UNIX finally developed as a powerfull Operating System and quickly became very famous Soon after contribution from various Universities AT&T licensed it and made it proprietary making it unfit for teaching and learning Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 6 / 14
  15. 15. History Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 7 / 14
  16. 16. History Linux is Unix-like Operating System Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 8 / 14
  17. 17. History Linux is Unix-like Operating System The code of UNIX is not copied, only the Operating System Concepts are properly incorporated Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 8 / 14
  18. 18. History Linux is Unix-like Operating System The code of UNIX is not copied, only the Operating System Concepts are properly incorporated The development of Linux started from scratch and thus is just a Unix clone and not freely available UNIX copy Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 8 / 14
  19. 19. Free/Open Softwares good model Closed softwares Like Windows owners consider that less people should the source code,less is the chance of getting their products hacked Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 9 / 14
  20. 20. Free/Open Softwares good model Closed softwares Like Windows owners consider that less people should the source code,less is the chance of getting their products hacked Sharply opposite, Open Source developers consider that more people should know the source code, more bugs will be found and more people will contribute back fixing those bugs Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 9 / 14
  21. 21. Free/Open Softwares good model Closed softwares Like Windows owners consider that less people should the source code,less is the chance of getting their products hacked Sharply opposite, Open Source developers consider that more people should know the source code, more bugs will be found and more people will contribute back fixing those bugs A great example for this is Ubuntu. Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 9 / 14
  22. 22. Why so many Linux Flavours ??? Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 10 / 14
  23. 23. Why so many Linux Flavours ??? All Linux flavours are called Distros which are a fancy term for distributions Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 10 / 14
  24. 24. Why so many Linux Flavours ??? All Linux flavours are called Distros which are a fancy term for distributions Since its Free and Open Source people are free to modify and release their own version and copies Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 10 / 14
  25. 25. Why so many Linux Flavours ??? All Linux flavours are called Distros which are a fancy term for distributions Since its Free and Open Source people are free to modify and release their own version and copies If you dont like you one distro you can freely move to any other one which you like for e.g- Open Suse, Mandriva, Slackware etc Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 10 / 14
  26. 26. Advantages Of Linux Low Cost Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  27. 27. Advantages Of Linux Low Cost Stablity Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  28. 28. Advantages Of Linux Low Cost Stablity Performance Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  29. 29. Advantages Of Linux Low Cost Stablity Performance Network Friendliness Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  30. 30. Advantages Of Linux Low Cost Stablity Performance Network Friendliness Flexiblity Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  31. 31. Advantages Of Linux Low Cost Compatiblity Stablity Performance Network Friendliness Flexiblity Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  32. 32. Advantages Of Linux Low Cost Compatiblity Stablity Fast and Easy Installation Performance Network Friendliness Flexiblity Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  33. 33. Advantages Of Linux Low Cost Compatiblity Stablity Fast and Easy Installation Performance Full use of Hard Disk Network Friendliness Flexiblity Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  34. 34. Advantages Of Linux Low Cost Compatiblity Stablity Fast and Easy Installation Performance Full use of Hard Disk Network Friendliness Multitasking Flexiblity Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  35. 35. Advantages Of Linux Low Cost Compatiblity Stablity Fast and Easy Installation Performance Full use of Hard Disk Network Friendliness Multitasking Flexiblity Security Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 11 / 14
  36. 36. Who Uses Linux??? Almost all Hackers rely on linux Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  37. 37. Who Uses Linux??? Almost all Hackers rely on linux Almost all Supercomputers runs on Linux Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  38. 38. Who Uses Linux??? Almost all Hackers rely on linux Almost all Supercomputers runs on Linux Amazon.com online retailer recently switched entirely to Linux and saved 17 million Dollars Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  39. 39. Who Uses Linux??? Almost all Hackers rely on linux Almost all Supercomputers runs on Linux Amazon.com online retailer recently switched entirely to Linux and saved 17 million Dollars Google, the most popular search engine on the web, runs on a cluster of over 1000 Linux servers Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  40. 40. Who Uses Linux??? Almost all Hackers rely on linux Almost all Supercomputers runs on Linux Amazon.com online retailer recently switched entirely to Linux and saved 17 million Dollars Google, the most popular search engine on the web, runs on a cluster of over 1000 Linux servers Wikipedia runs on linux since its birth and has shifted to Ubuntu since 2008 Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  41. 41. Who Uses Linux??? Almost all Hackers rely on linux Almost all Supercomputers runs on Linux Amazon.com online retailer recently switched entirely to Linux and saved 17 million Dollars Google, the most popular search engine on the web, runs on a cluster of over 1000 Linux servers Wikipedia runs on linux since its birth and has shifted to Ubuntu since 2008 NYSE runs on linux Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  42. 42. Who Uses Linux??? Almost all Hackers rely on linux Almost all Supercomputers runs on Linux Amazon.com online retailer recently switched entirely to Linux and saved 17 million Dollars Google, the most popular search engine on the web, runs on a cluster of over 1000 Linux servers Wikipedia runs on linux since its birth and has shifted to Ubuntu since 2008 NYSE runs on linux To see more unexpected places running on Linux, please visit http://www.focus.com/fyi/information-technology/ 50-places-linux-running-you-might-not-expect/ Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 12 / 14
  43. 43. Major Distibutions Open Suse Red Hat Debian Knoppix Fedora Slackware Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 13 / 14
  44. 44. Thank You!!! Vikash (LUG Manipal) An Introduction To Linux October 16, 2010 14 / 14
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