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Opensource

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Dave Everitt
Dave Everitt
Technology
1 of 38
Open Source / Free Software GNU's Not Unix!
first open source software
Ada Lovelace ,[object Object],[object Object]
Difference engine ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
the ‘Pascaline’ - around 1650
Leibniz's ‘Reckoner’, around 1700
Charles Babbage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
‘ Analytical Engine’ - around 1833 ( never made - this is a model)
First computer program ,[object Object]
punch cards
how Open Source works
pirates? ,[object Object],[object Object]
Richard Stallman ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GPL (Gnu Public License) ,[object Object],[object Object],[object Object],[object Object],[object Object]
four kinds of freedom ,[object Object],[object Object],[object Object],[object Object]
source code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
free software is: ,[object Object]
Scratching your own itch ,[object Object],[object Object]
you mean they code for fun? ,[object Object],[object Object],[object Object],[object Object]
the reaction (1) ,[object Object],[object Object],http://www.theregister.co.uk/2001/06/02/ballmer_linux_is_a_cancer/
The reaction (2) ,[object Object],[object Object]
GNU/Linux ,[object Object],[object Object]
how / why Linux grew, and grows ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
‘ business-friendly’ Open Source
Open Source Initiative ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Tim O'Reilly & Eric Raymond A group of people including Eric Raymond and Tim O'Reilly came together and started using the term open source instead of free software. Many people now use the terms separately, or the combined term free and open source software , abbreviated as FOSS .
 
HT Vulnerability? Hyperthreading?? Read this (it won’t help, though… :) http://www.onlamp.com/pub/a/bsd/2005/07/21/Big_Scary_Daemons.html
The legacy and the future ,[object Object],[object Object],[object Object]
barriers to Open Source ,[object Object],[object Object]
who uses Open Source? ,[object Object],[object Object],[object Object],[object Object]
LAMP: the Open Source web platform ,[object Object],[object Object],[object Object]
A free software project cannot: ,[object Object],[object Object],[object Object],[object Object],[object Object]
international Open Source ,[object Object],[object Object]
Ubuntu Linux
Redflag Linux ,[object Object],[object Object],Steve Hamm, A big step for Linux in China, 12/01/06 http://www.businessweek.com/the_thread/techbeat/archives/2006/01/a_big_step_for.html
Some key organisations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sources and references ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Opensource

Editor's Notes

  1. Analyst and Metaphysician, Founder of Scientific Computing 'ADA' programming language named in her honour by US Dept. of Defense in 1979
  2. Intended successor to Difference Engine
  3. Ada's notes were 3 times length of original article Bernoulli numbers are used (e.g.) in Fermat's last theorem
  4. Women working on punch cards were called 'computers' Punch cards used for the US census
  5. profit was originally from hardware no hardware standardization, so early programmers encouraged to improve and share no compilers or interpreters, so programmes not portable - no use on competitor machines
  6. can't protect software by code from hackers - they love to crack it copyright of ideas is what geeks are fighting software is nebulous - can be rebuilt and look the same to the user, can't be finally fixed
  7. AI Lab, MIT late 70s-80s resigns because of non-sharing software installs forms FSF
  8. compliers and interpreters allow portable source code Universities retain software sharing as the best option
  9. What do you mean, you don't count from zero? Programmers do!
  10. sharing spirit of the web - 'view source' You can still use your browser to view the source code of any web page, plus any included code like Javascript or CSS
  11. most volunteer programmers don't care about the licence they just want to solve a problem and work together
  12. Stallman would like it to be called GNU/Linux GNU = GNU's Not Unix (actually Unix-like, but not ht original Unix from AT&T )
  13. Linux a reimplementation of Unix Torvalds got there before Stallman BSD has similar licence, but not passed on in derivatives so can be used in proprietary systems e.g. used as core of Mac OS X
  14. Oracle and MSoft beginning to work with Open Source software Msoft wants to increase cooperation between SuSE Linux and Windows
  15. see CPAN (hundreds of Perl modules), Sourceforge.net (loads of Open Source)
  16. Much Open Source is programming-based, but there are several successful desktop software applications